Our Team
Our people are the driving force behind our success, bringing expertise, dedication, and a shared commitment to excellence in healthcare outsourcing.
- Our expert crew
Meet the leadership team

Richard Lee
Richard began his career in hospitality and customer service before transitioning into healthcare—drawn by the opportunity to make a meaningful impact on people’s lives. His experience spans healthcare operations and outsourcing, with a focus on empowering high-performing teams across borders.
As a servant leader, Richard is grounded in empathy, adaptability, and continuous improvement. He believes leadership is about supporting others—understanding individual strengths, clearing obstacles, and building a culture where people feel valued and heard.
He’s especially passionate about addressing high turnover in the industry through above-market compensation and a workplace that fosters long-term growth. Outside of work, Richard enjoys cooking, staying active, and fostering animals—pursuits that reflect his commitment to care, connection, and community.

Ryan Holbrook
Ryan has built his career around designing thoughtful, scalable solutions at the intersection of healthcare and outsourcing. With early experience leading global operational initiatives, he developed a strong understanding of how to align process, talent, and performance in complex, fast-paced environments. This foundation continues to inform his approach to service delivery and strategic growth.
His leadership style is grounded in structure, accountability, and authenticity. Ryan is known for his clear communication and consistent follow-through, especially in how he engages with clients and partners. He prioritizes long-term relationships built on trust, transparency, and a shared commitment to excellence.
Outside of work, Ryan has a strong appreciation for the arts and creative expression. His attention to detail and eye for design influence not only how he leads, but how he approaches challenges—with intention, creativity, and a deep respect for craftsmanship.

Chillo Chang
Chillo brings over 25 years of experience across healthcare, outsourcing, and corporate operations—beginning his journey as an IT manager at a BPO call center and growing into leadership roles with global scope. He’s worked in over 13 countries and across nearly every function of the business, from engineering to managing a captive operation for a multi-billion-dollar MedTech organization. For Chillo, it’s always been about the people—diverse teams, shared learning, and the belief that culture drives performance.
His leadership style is best described as tough but fair—anchored in accountability and integrity. He leads by doing, builds trust by keeping his word, and creates space for others to be courageous and grow. Chillo doesn’t chase buzzwords—he focuses on operational fundamentals: people, process, and technology. He’s especially focused on ensuring that operational excellence drives business outcomes, not just cut cost.
Outside of work, Chillo’s motivation is rooted in family and service. He’s a father of two, a hands-on fixer by nature, and a committed community volunteer. Whether he’s mentoring a team or teaching his sons the value of giving back, Chillo leads with humility, grit, and a deep sense of purpose.

Sugar Bitongga
With over two decades in BPO, Sugar brings a rare blend of operational precision and human-centered leadership to the healthcare outsourcing space. Drawn early on to the pace and complexity of the industry, healthcare became a natural fit—combining systems thinking with the opportunity to create real-world impact.
Sugar’s leadership is shaped not just by building startups and scaling enterprise operations, but by navigating the tough transitions—the restructures, the high-stakes escalations, and the underdog turnarounds. These moments built a leadership style rooted in structure, transparency, and performance. No fluff—just clear expectations, tight systems, and a deep belief in helping people grow into their potential.
Passionate about bridging the people-performance gap, Sugar focuses on creating the kind of operational environments where teams don’t just function—they thrive. That means solving for burnout, accountability, and scale from the inside out. It also means coaching leaders to think like owners and anchoring strategies in outcomes that matter.
Outside of work, Sugar values quiet routines and meaningful time with family. Behind the calm clarity is someone who’s constantly scanning for what could be better—balancing urgency with intention, and learning, slowly, that high standards and self-compassion can co-exist.

Diane Truppa
Diane brings over 30 years of leadership in healthcare, shaped by a deep belief that when you care for your people, everything else follows. She’s spent her career advocating for patients and employees alike—ensuring that both feel heard, supported, and valued.
Her approach is grounded in trust, respect, and consistency. Diane leads with empathy, invests time in one-on-one connections, and sets clear expectations that empower teams to do their best work. For her, building a strong culture isn’t just about policies—it’s about showing up, listening closely, and creating space where people can grow personally and professionally.
She’s especially focused on keeping teams connected in a remote work environment, making sure every individual—regardless of role or location—feels part of something bigger. Outside of work, Diane finds joy in family time, quiet routines, and the everyday chaos of being a proud dog mom. That bit of rebellious spirit from her younger years still shows up from time to time—especially when it means challenging the status quo for the better.

Heidi Charette
Heidi’s journey in healthcare started on the ground floor—working in reimbursement for a home infusion company—where she quickly learned the ins and outs of revenue cycle management by doing the work herself. Over the years, she’s led multi-state teams, built processes from the ground up, and earned a reputation for pairing deep operational knowledge with a no-nonsense, people-first approach.
Her leadership style is hands-on, practical, and grounded in outcomes. Heidi trains her teams with intention, gives them room to take ownership, and lets the data guide the conversation. She's passionate about building strong RCM functions that don’t just “get it done” but do it right, especially in high-complexity areas like home infusion billing, where expertise matters and shortcuts aren’t an option.
Outside of work, Heidi stays grounded through creative outlets, family time, and a deep love of sports. Whether cheering on her favorite teams or tackling a new project at home, she brings a sense of pride, purpose, and energy to everything she does.

Ronnie Morales
Ronnie began his career in 2008 as a Network Administrator, entering the BPO and healthcare space during a time of rapid industry growth. What started as a technical role evolved into a leadership journey rooted in trust, mentorship, and continuous learning.
His approach to leadership is simple but powerful: take care of your people, and they’ll take care of everything else. Ronnie invests deeply in his team—offering support beyond standard resources, championing internal promotions, and staying actively involved in their growth and morale.
He’s passionate about demystifying AI and sees it not as a threat, but as a tool to enhance human potential.
Outside work, Ronnie is passionate about combat sports, mental health advocacy, and music. He’s also a proud cat dad and finds joy in the simple things—like a good basketball game or time spent playing instruments.

Mark Asuncion
Mark’s career in healthcare and outsourcing began with a simple first step—an opportunity fresh out of college that grew into decades of leadership across operations and human capital. With experience spanning startup environments, multinational healthcare giants, and regional HR leadership roles across Asia, Mark brings a deep understanding of people, performance, and purpose.
A values-based leader, Mark focuses on growth, clarity, and building teams anchored in service. His leadership style is shaped by early roots in student leadership and years of cross-functional experience in HR, giving him a broad and practical view of what teams need to thrive.
Passionate about solving the talent gap in healthcare outsourcing, Mark advocates for internal development, cultural alignment, and flexible approaches that attract and retain top talent. Outside of work, he draws motivation from his family and a quiet strength that often surprises those who don’t expect an introvert behind such a people-centered role.

Noelle Vitug
Noelle has spent over 15 years in the BPO industry, steadily building his career from operations to leading talent acquisition across multiple locations in the Philippines. Early on, he supported a variety of industries, but it was the transition into healthcare—especially during and after the pandemic—that solidified his focus and passion for the space.
As a leader, Noelle is an enabler. He motivates his teams by focusing on their strengths, fostering collaboration, and creating an environment that balances accountability with fun. Known for his straightforward yet lighthearted approach, he believes great work happens when people are engaged, empowered, and enjoying the process.
Noelle is especially passionate about talent alignment—ensuring the right people are in the right roles to succeed. Outside of work, he finds joy in the simple things: spending time with his wife, nurturing personal interests, and seeing the impact a job offer can have on someone’s life. For Noelle, HR isn’t just about roles filled—it’s about futures shaped.

Maricel Muncal
Maricel Muncal brings 16 years of experience in outsourcing, with a strong foundation in operations, support services, and performance leadership. Her transition into healthcare was fueled by a desire to apply that expertise in a space that directly improves lives. For Maricel, healthcare outsourcing isn’t just about process—it’s about purpose.
Her leadership style is grounded in balance: driving results while developing people. Maricel leads with three core principles—clarity, capability, and care. She creates an environment where expectations are clear, talent is empowered, and continuous growth is part of the culture. Whether she’s setting strategic goals or coaching future leaders, Maricel keeps both operational excellence and human impact in view.
She’s especially passionate about improving scalability in healthcare operations without sacrificing care quality. From streamlining processes to building business-minded teams, she believes that sustainable growth comes from strong leadership and empowered people.
Outside of work, Maricel finds energy and perspective in travel, surfing, scuba diving, and café hopping—often with a book in hand and coffee close by. These experiences fuel her curiosity and reflect the same mindset she brings to her work: grounded, open, and always learning.

Michael Ching
Michael Ching brings nearly two decades of outsourcing experience and close to a decade in healthcare, combining deep industry knowledge with a sharp eye for transformation. His leadership journey has been shaped by large-scale client initiatives and global team management—experiences that sharpened his approach to be strategic, people-focused, and execution-driven.
Michael aligns teams with business outcomes, builds high-performance cultures, and drives operational excellence through a mix of structure, recognition, and trust. He’s particularly passionate about automating smarter workflows and creating long-term value for stakeholders—making innovation both practical and impactful.

Mike Castillo
Mike brings a unique blend of frontline healthcare experience and business operations to his leadership at DME. From working as a paramedic during college to managing hospital administration and now leading in the BPO space, he’s always been driven by a simple principle: purposeful work that improves lives.
His leadership style is collaborative and grounded in empathy. Mike builds teams by listening first, recognizing strengths, and creating space for others to lead. He believes great results come from trust, open communication, and shared ownership—especially in high-stakes, fast-moving environments.
Mike is passionate about making healthcare more inclusive and accessible. Whether through smarter workflows, better systems, or culturally competent care, he’s focused on breaking down the barriers that prevent people from getting the care they deserve. Outside work, Mike finds perspective in travel, family time, and the lessons learned during summers spent working on his grandparents’ farm—where he first learned the value of hard work, patience, and purpose.

Ma. Elena Marigmen
Elena Marigmen built her career in outsourcing with a clear recognition of the industry’s potential—and the unique strengths Filipinos bring to the space. What drew her in was more than just opportunity; it was the openness of the BPO world to talent of all backgrounds, skill levels, and life stages. Over time, she found her niche in training and quality, where her collaborative mindset and operational focus could truly shine.
Elena’s leadership style is anchored in accountability and shared success. She believes in setting clear expectations, creating space for honest communication, and helping individuals—regardless of where they are in their professional journey—feel seen, supported, and heard. She doesn’t claim to “inspire,” but her thoughtful, steady approach earns trust and helps teams navigate complexity with clarity.
With a deep understanding of how structured training and quality programs can elevate performance and reduce churn, Elena is passionate about helping organizations stay consistent, even as the landscape evolves with AI and automation. Outside of work, she recharges by exploring new places with her daughter—bringing the same curiosity and presence to parenting that she brings to her role at work.

Amar Bandiez
Amar brings over a decade of quality assurance leadership to his role at DME, where he champions a people-first, performance-driven approach. From his early days as a QA specialist to managing teams and systems at scale, Amar has built a career around fostering continuous improvement, operational excellence, and employee empowerment.
Influenced by servant leaders throughout his journey, Amar leads by listening, guiding with empathy, and creating space for innovation—believing that mistakes are opportunities to grow. He is especially passionate about transforming quality assurance through scalable, data-driven frameworks that raise audit accuracy while exceeding compliance and customer satisfaction standards.
Outside of work, Amar finds motivation in adventure and community. He leads the DME Riders Club, combining his love for biking, trail running, and hiking with meaningful outreach initiatives. A commissioned reservist in the Philippine Air Force, Amar brings discipline, leadership, and a deep sense of service into every role he plays—on and off the field.

Valian Moderacion
Val began her career in healthcare supporting patients with insurance navigation—an experience that revealed how impactful frontline service could be. Since then, Val has dedicated their career to roles that improve access, elevate service, and empower teams in the healthcare outsourcing space.
As a servant leader with a mentorship-driven style, Val is passionate about nurturing people at every level of the organization. She believes leadership means creating space for growth, encouraging curiosity, and helping others reach their full potential. Val’s approach centers on building a culture of continuous improvement—where learning is constant and success is shared.
Outside of work, Val balances a commitment to family with creative entrepreneurship as a small business owner and content creator. That blend of purpose, performance, and personal fulfillment shapes how Val shows up every day—as a leader, mentor, and dedicated contributor to the healthcare outsourcing community.

Richard Lee
Richard began his career in hospitality and customer service before transitioning into healthcare—drawn by the opportunity to make a meaningful impact on people’s lives. His experience spans healthcare operations and outsourcing, with a focus on empowering high-performing teams across borders.
As a servant leader, Richard is grounded in empathy, adaptability, and continuous improvement. He believes leadership is about supporting others—understanding individual strengths, clearing obstacles, and building a culture where people feel valued and heard.
He’s especially passionate about addressing high turnover in the industry through above-market compensation and a workplace that fosters long-term growth. Outside of work, Richard enjoys cooking, staying active, and fostering animals—pursuits that reflect his commitment to care, connection, and community.

Ryan Holbrook
Ryan has built his career around designing thoughtful, scalable solutions at the intersection of healthcare and outsourcing. With early experience leading global operational initiatives, he developed a strong understanding of how to align process, talent, and performance in complex, fast-paced environments. This foundation continues to inform his approach to service delivery and strategic growth.
His leadership style is grounded in structure, accountability, and authenticity. Ryan is known for his clear communication and consistent follow-through, especially in how he engages with clients and partners. He prioritizes long-term relationships built on trust, transparency, and a shared commitment to excellence.
Outside of work, Ryan has a strong appreciation for the arts and creative expression. His attention to detail and eye for design influence not only how he leads, but how he approaches challenges—with intention, creativity, and a deep respect for craftsmanship.

Chillo Chang
Chillo brings over 25 years of experience across healthcare, outsourcing, and corporate operations—beginning his journey as an IT manager at a BPO call center and growing into leadership roles with global scope. He’s worked in over 13 countries and across nearly every function of the business, from engineering to managing a captive operation for a multi-billion-dollar MedTech organization. For Chillo, it’s always been about the people—diverse teams, shared learning, and the belief that culture drives performance.
His leadership style is best described as tough but fair—anchored in accountability and integrity. He leads by doing, builds trust by keeping his word, and creates space for others to be courageous and grow. Chillo doesn’t chase buzzwords—he focuses on operational fundamentals: people, process, and technology. He’s especially focused on ensuring that operational excellence drives business outcomes, not just cut cost.
Outside of work, Chillo’s motivation is rooted in family and service. He’s a father of two, a hands-on fixer by nature, and a committed community volunteer. Whether he’s mentoring a team or teaching his sons the value of giving back, Chillo leads with humility, grit, and a deep sense of purpose.

Sugar Bitongga
With over two decades in BPO, Sugar brings a rare blend of operational precision and human-centered leadership to the healthcare outsourcing space. Drawn early on to the pace and complexity of the industry, healthcare became a natural fit—combining systems thinking with the opportunity to create real-world impact.
Sugar’s leadership is shaped not just by building startups and scaling enterprise operations, but by navigating the tough transitions—the restructures, the high-stakes escalations, and the underdog turnarounds. These moments built a leadership style rooted in structure, transparency, and performance. No fluff—just clear expectations, tight systems, and a deep belief in helping people grow into their potential.
Passionate about bridging the people-performance gap, Sugar focuses on creating the kind of operational environments where teams don’t just function—they thrive. That means solving for burnout, accountability, and scale from the inside out. It also means coaching leaders to think like owners and anchoring strategies in outcomes that matter.
Outside of work, Sugar values quiet routines and meaningful time with family. Behind the calm clarity is someone who’s constantly scanning for what could be better—balancing urgency with intention, and learning, slowly, that high standards and self-compassion can co-exist.

Diane Truppa
Diane brings over 30 years of leadership in healthcare, shaped by a deep belief that when you care for your people, everything else follows. She’s spent her career advocating for patients and employees alike—ensuring that both feel heard, supported, and valued.
Her approach is grounded in trust, respect, and consistency. Diane leads with empathy, invests time in one-on-one connections, and sets clear expectations that empower teams to do their best work. For her, building a strong culture isn’t just about policies—it’s about showing up, listening closely, and creating space where people can grow personally and professionally.
She’s especially focused on keeping teams connected in a remote work environment, making sure every individual—regardless of role or location—feels part of something bigger. Outside of work, Diane finds joy in family time, quiet routines, and the everyday chaos of being a proud dog mom. That bit of rebellious spirit from her younger years still shows up from time to time—especially when it means challenging the status quo for the better.

Heidi Charette
Heidi’s journey in healthcare started on the ground floor—working in reimbursement for a home infusion company—where she quickly learned the ins and outs of revenue cycle management by doing the work herself. Over the years, she’s led multi-state teams, built processes from the ground up, and earned a reputation for pairing deep operational knowledge with a no-nonsense, people-first approach.
Her leadership style is hands-on, practical, and grounded in outcomes. Heidi trains her teams with intention, gives them room to take ownership, and lets the data guide the conversation. She's passionate about building strong RCM functions that don’t just “get it done” but do it right, especially in high-complexity areas like home infusion billing, where expertise matters and shortcuts aren’t an option.
Outside of work, Heidi stays grounded through creative outlets, family time, and a deep love of sports. Whether cheering on her favorite teams or tackling a new project at home, she brings a sense of pride, purpose, and energy to everything she does.

Ronnie Morales
Ronnie began his career in 2008 as a Network Administrator, entering the BPO and healthcare space during a time of rapid industry growth. What started as a technical role evolved into a leadership journey rooted in trust, mentorship, and continuous learning.
His approach to leadership is simple but powerful: take care of your people, and they’ll take care of everything else. Ronnie invests deeply in his team—offering support beyond standard resources, championing internal promotions, and staying actively involved in their growth and morale.
He’s passionate about demystifying AI and sees it not as a threat, but as a tool to enhance human potential.
Outside work, Ronnie is passionate about combat sports, mental health advocacy, and music. He’s also a proud cat dad and finds joy in the simple things—like a good basketball game or time spent playing instruments.

Mark Asuncion
Mark’s career in healthcare and outsourcing began with a simple first step—an opportunity fresh out of college that grew into decades of leadership across operations and human capital. With experience spanning startup environments, multinational healthcare giants, and regional HR leadership roles across Asia, Mark brings a deep understanding of people, performance, and purpose.
A values-based leader, Mark focuses on growth, clarity, and building teams anchored in service. His leadership style is shaped by early roots in student leadership and years of cross-functional experience in HR, giving him a broad and practical view of what teams need to thrive.
Passionate about solving the talent gap in healthcare outsourcing, Mark advocates for internal development, cultural alignment, and flexible approaches that attract and retain top talent. Outside of work, he draws motivation from his family and a quiet strength that often surprises those who don’t expect an introvert behind such a people-centered role.

Noelle Vitug
Noelle has spent over 15 years in the BPO industry, steadily building his career from operations to leading talent acquisition across multiple locations in the Philippines. Early on, he supported a variety of industries, but it was the transition into healthcare—especially during and after the pandemic—that solidified his focus and passion for the space.
As a leader, Noelle is an enabler. He motivates his teams by focusing on their strengths, fostering collaboration, and creating an environment that balances accountability with fun. Known for his straightforward yet lighthearted approach, he believes great work happens when people are engaged, empowered, and enjoying the process.
Noelle is especially passionate about talent alignment—ensuring the right people are in the right roles to succeed. Outside of work, he finds joy in the simple things: spending time with his wife, nurturing personal interests, and seeing the impact a job offer can have on someone’s life. For Noelle, HR isn’t just about roles filled—it’s about futures shaped.

Maricel Muncal
Maricel Muncal brings 16 years of experience in outsourcing, with a strong foundation in operations, support services, and performance leadership. Her transition into healthcare was fueled by a desire to apply that expertise in a space that directly improves lives. For Maricel, healthcare outsourcing isn’t just about process—it’s about purpose.
Her leadership style is grounded in balance: driving results while developing people. Maricel leads with three core principles—clarity, capability, and care. She creates an environment where expectations are clear, talent is empowered, and continuous growth is part of the culture. Whether she’s setting strategic goals or coaching future leaders, Maricel keeps both operational excellence and human impact in view.
She’s especially passionate about improving scalability in healthcare operations without sacrificing care quality. From streamlining processes to building business-minded teams, she believes that sustainable growth comes from strong leadership and empowered people.
Outside of work, Maricel finds energy and perspective in travel, surfing, scuba diving, and café hopping—often with a book in hand and coffee close by. These experiences fuel her curiosity and reflect the same mindset she brings to her work: grounded, open, and always learning.

Michael Ching
Michael Ching brings nearly two decades of outsourcing experience and close to a decade in healthcare, combining deep industry knowledge with a sharp eye for transformation. His leadership journey has been shaped by large-scale client initiatives and global team management—experiences that sharpened his approach to be strategic, people-focused, and execution-driven.
Michael aligns teams with business outcomes, builds high-performance cultures, and drives operational excellence through a mix of structure, recognition, and trust. He’s particularly passionate about automating smarter workflows and creating long-term value for stakeholders—making innovation both practical and impactful.

Mike Castillo
Mike brings a unique blend of frontline healthcare experience and business operations to his leadership at DME. From working as a paramedic during college to managing hospital administration and now leading in the BPO space, he’s always been driven by a simple principle: purposeful work that improves lives.
His leadership style is collaborative and grounded in empathy. Mike builds teams by listening first, recognizing strengths, and creating space for others to lead. He believes great results come from trust, open communication, and shared ownership—especially in high-stakes, fast-moving environments.
Mike is passionate about making healthcare more inclusive and accessible. Whether through smarter workflows, better systems, or culturally competent care, he’s focused on breaking down the barriers that prevent people from getting the care they deserve. Outside work, Mike finds perspective in travel, family time, and the lessons learned during summers spent working on his grandparents’ farm—where he first learned the value of hard work, patience, and purpose.

Ma. Elena Marigmen
Elena Marigmen built her career in outsourcing with a clear recognition of the industry’s potential—and the unique strengths Filipinos bring to the space. What drew her in was more than just opportunity; it was the openness of the BPO world to talent of all backgrounds, skill levels, and life stages. Over time, she found her niche in training and quality, where her collaborative mindset and operational focus could truly shine.
Elena’s leadership style is anchored in accountability and shared success. She believes in setting clear expectations, creating space for honest communication, and helping individuals—regardless of where they are in their professional journey—feel seen, supported, and heard. She doesn’t claim to “inspire,” but her thoughtful, steady approach earns trust and helps teams navigate complexity with clarity.
With a deep understanding of how structured training and quality programs can elevate performance and reduce churn, Elena is passionate about helping organizations stay consistent, even as the landscape evolves with AI and automation. Outside of work, she recharges by exploring new places with her daughter—bringing the same curiosity and presence to parenting that she brings to her role at work.

Amar Bandiez
Amar brings over a decade of quality assurance leadership to his role at DME, where he champions a people-first, performance-driven approach. From his early days as a QA specialist to managing teams and systems at scale, Amar has built a career around fostering continuous improvement, operational excellence, and employee empowerment.
Influenced by servant leaders throughout his journey, Amar leads by listening, guiding with empathy, and creating space for innovation—believing that mistakes are opportunities to grow. He is especially passionate about transforming quality assurance through scalable, data-driven frameworks that raise audit accuracy while exceeding compliance and customer satisfaction standards.
Outside of work, Amar finds motivation in adventure and community. He leads the DME Riders Club, combining his love for biking, trail running, and hiking with meaningful outreach initiatives. A commissioned reservist in the Philippine Air Force, Amar brings discipline, leadership, and a deep sense of service into every role he plays—on and off the field.

Valian Moderacion
Val began her career in healthcare supporting patients with insurance navigation—an experience that revealed how impactful frontline service could be. Since then, Val has dedicated their career to roles that improve access, elevate service, and empower teams in the healthcare outsourcing space.
As a servant leader with a mentorship-driven style, Val is passionate about nurturing people at every level of the organization. She believes leadership means creating space for growth, encouraging curiosity, and helping others reach their full potential. Val’s approach centers on building a culture of continuous improvement—where learning is constant and success is shared.
Outside of work, Val balances a commitment to family with creative entrepreneurship as a small business owner and content creator. That blend of purpose, performance, and personal fulfillment shapes how Val shows up every day—as a leader, mentor, and dedicated contributor to the healthcare outsourcing community.
- Be Part of Something Bigger
Build a rewarding career with competitive benefits and exciting growth opportunities

- Partner with Us
Drive efficiency and impact with expert healthcare outsourcing solutions.


- What we do
Inside DME Roles
Revenue Cycle Management

Customer Engagement

Back-Office Support
