David Sides

Chief Executive Officer

Bio

David was appointed as Chief Executive Officer for NextGen Healthcare, effective September 22, 2021. He brings a breadth of global commercial and operations experience leading premier healthcare technology companies to the role.

He most recently served as Chief Operating Officer at Teladoc Health, the global leader in virtual care, where he led the Company’s worldwide commercial and operations teams. During his tenure, Teladoc’s revenues doubled in 2020 and are currently on track to exceed $2 billion in 2021. Previously, he served as CEO of Streamline Health, which offers revenue cycle management solutions for healthcare providers. David led the full-scale turnaround of Streamline Health, growing revenue, EBITDA and cash flow organically. Prior to that, he was recruited by TPG to serve as CEO of iMDsoft, an Israeli headquartered provider of clinical information systems and electronic medical records for critical, perioperative and acute care organizations. Under David’s leadership, iMDsoft delivered a more than 30% increase in revenue while investing in new systems and processes.

Earlier in his career, David worked for Cerner Corporation, a leading supplier of health information technology services, devices and hardware, from 1995-2012. Among other roles, he served as Senior Vice President, World Wide Consulting, where he led Cerner’s professional services in 24 countries and owned global P&L and functional responsibilities from sales through implementation for the business. At Cerner, he created new methodologies for deployment, new service lines and development plans for 3,500 associates, growing the consulting business from $643 million in 2008 to $1.031 billion in 2012.

David is a former director at EMIS Group, a major provider of healthcare software, information technology and related services in the UK, and at Streamline Health. He is a Fellow in the American College of Healthcare Executives.

David holds a bachelor’s degree in biophysics from the University of California, Berkeley, and an MBA and MHA from the University of Missouri, Columbia.

Srinivas Velamoor

PRESIDENT AND CHIEF OPERATING OFFICER

Bio

Srinivas (Sri) Velamoor joined NextGen Healthcare in July 2021 as Chief Growth & Strategy Officer and Executive Vice President and was named President and Chief Operating Officer in January 2024. Sri brings two decades of experience in driving growth and performance at leading global healthcare, financial services and technology organizations and leads the company’s corporate development, strategy, solutions, and business development functions.

Previously, Sri served as partner and health sector leader for McKinsey & Company’s North America digital and analytics and ‘Leap’ business building practices. Over a decade at McKinsey, he orchestrated the growth and scale-up of the firm’s healthcare technology and digital health practices and led end-to-end growth and performance transformations at several leading global healthcare institutions. He also led the end-to-end design, launch and commercial acceleration of multiple businesses in the areas of consumer health, analytics, virtual health, digital therapeutics, payments and technology services.

Before joining McKinsey & Company, Velamoor was a partner at both PricewaterhouseCoopers and Diamond Management & Technology Consultants, where he advised industry leading firms in financial services and healthcare.

Sri earned an MBA in Finance from The Wharton School at The University of Pennsylvania, and a BSE in Biomedical Engineering, Electrical Engineering and Economics from Duke University.

James Hammerschmidt

Chief Financial Officer

Bio

James was appointed Chief Financial Officer of NextGen Healthcare, effective April 1, 2024, after joining the company in September 2017. He has held leadership roles overseeing financial planning and analysis, business intelligence, corporate finance, and investor relations.

He joined the company as Vice President of Corporate Development and led the acquisitions of Inforth Technologies, Topaz Information Solutions, OTTO Health, and Medfusion. James also supported the company’s divestiture of QSI Dental, a convertible debt raise, and the take-private acquisition by Thoma Bravo in November 2023. He has been a prominent member of the leadership team and brings over 15 years of experience in healthcare technology, finance, and strategy. 

Prior to joining NextGen Healthcare, James held various leadership positions at Becton Dickinson (NYSE: BDX), one of the largest global medical technology companies in the world, where he was responsible for strategic planning, early-stage innovation, portfolio management, and business development. He also worked for Edwards Lifesciences (NYSE: EW), a global leader in patient-focused medical innovations for structural heart disease, in its advanced technology division. James began his career in strategy consulting and capital advisory, where he advised industry leading firms in private equity, enterprise software, and manufacturing sectors.

James received his bachelor’s degree from San Diego State University in Business Administration with an emphasis in Finance and remains a regular guest lecturer in partnership with the school’s undergrad and MBA program.

Katie Chaffee

CHIEF CLIENT OFFICER

Bio

Katie was appointed to the newly created role of chief client officer for NextGen Healthcare, effective January 10, 2022. She leads the Company’s client, professional and managed services. With over 20 years of healthcare experience working in health systems, information technology implementation and performance improvement, Katie is committed to creating long-term strategic value for clients.

Prior to joining NextGen Healthcare, Katie held leadership roles at Cerner Corporation in worldwide consulting services, population health, client relationship development and transformation. Before she joined Cerner, Katie was a senior consultant with PricewaterhouseCoopers, responsible for implementing SAP solutions in the high-tech industry.

She serves on the Xavier University Health Services Administration Advisory Board, JOCO United Board Member, Accountable Care Learning Collaborative, and is a SCORE Certified Mentor.

Katie received her bachelor’s degree in business administration and economics from the University of Kansas and a certificate in healthcare leadership from University of Missouri Kansas City.

Mitch Waters

CHIEF REVENUE OFFICER

Bio

Mitch Waters joined NextGen Healthcare in 2017 and was appointed Chief Revenue Officer in January 2024 where he is responsible for sales and marketing. Previously, Mitch was the company's Executive Vice President of Commercial Growth. With more than three decades of experience in healthcare technology, Mitch has served in a wide variety of leadership roles. He has led the Sales organization to record heights while also serving as a member of the Executive Leadership Team.

Prior to NextGen Healthcare, Mitch spent 28 years at McKesson Corporation in leadership roles within the technology, automation and pharmaceutical business units. During his 25 years in Sales at McKesson, Mitch’s teams earned an unprecedented track record of achieving company objectives every year.

While employed full-time at McKesson, Mitch earned a Master of Business Administration from Auburn University. Mitch earned his B.S. in Industrial Management from Georgia Institute of Technology, Atlanta, Georgia.

Mitch is based in Atlanta, Georgia. He has been married to his college sweetheart, Lisa, for 32 years and they raised three children together (now grown): Zach, Caroline and Drew.

Robert Murry, PhD, MD, FAAFP

Chief Medical Officer

Bio

Dr. Robert (Bob) Murry joined NextGen Healthcare in July 2012 and was appointed chief medical officer in December 2021. He brings to this position more than 20 years of extensive clinical experience and background in health IT. Previously, Dr. Murry served as the company’s Chief Medical Information Officer (CMIO) since May 2017. During his time as CMIO, he was the "Voice-of-the-Physician" across specialties, product safety, and government/regulatory affairs. Before becoming CMIO, he was the company's vice president of Clinical Product Management, responsible for clinical oversight and workflow design.

Previously, Dr. Murry served as Medical Director for Ambulatory Informatics and CMIO for Hunterdon Medical Center, where he continues to practice family medicine at Hunterdon Family Medicine at Delaware Valley.

He is board certified in Clinical Informatics by the American Board of Preventive Medicine and board certified in Family Medicine by the American Board of Family Medicine. He is also a Fellow of the American Academy of Family Physicians. Dr. Murry holds an MD from The University of Texas Southwestern Medical Center, Dallas; a PhD in Physical Chemistry from Boston College; and an MA in Physical Chemistry from the Massachusetts Institute of Technology.

Sanjeev Kumar, PhD

Chief Data & Analytics Officer

Bio

Dr. Sanjeev Kumar joined NextGen Healthcare in February 2025 as Senior Vice President, Chief Data and Analytics Officer (CDAO). In this strategic role, he oversees advanced analytics and AI/machine learning (AI/ML) across NextGen Healthcare’s software solutions to optimize provider efficiency and patient outcomes.

Dr. Kumar brings over two decades of leadership in data analytics and AI/ML across diverse sectors, including healthcare, retail, manufacturing and oil and gas. Prior to joining NextGen Healthcare, he served as Chief Data Officer at Gainwell Technologies, where he led the development of Genius, a SaaS-based, multi-tenant data, analytics, and AI platform. He and his teams collaborated closely with Medicaid agencies across the nation, leveraging advanced analytics to enhance the lives of millions of members.

His experience includes leadership roles at Fortune 500 companies such as Dell, Honeywell, and Avis, where he crafted and implemented AI and data strategies and led high-performing global teams in digital transformations. Recognized as a top 100 US Data & Analytics Innovator by Corinium Intelligence, he is a frequent keynote speaker at industry events.

Dr. Kumar holds multiple advanced degrees in AI and computer science, including a doctoral degree from University College London in the United Kingdom. He has been a visiting professor and postdoctoral researcher at Cornell University and George Mason University and serves as an advisory board member to AI and data-focused startups

Garo Doudian

Chief Information & Security Officer

Bio

Garo Doudian joined NextGen Healthcare in 2024 as Chief Information & Security Officer (CIO/CISO). Garo brings more than two decades of information security and infrastructure leadership experience to NextGen. Garo is responsible for the development, implementation and enforcement of NextGen's information systems and security program to protect critical data and information assets for team members and our clients.

 

Prior to NextGen, Garo served as Senior Vice President and CISO for Moody’s Analytics-RMS, a global leader in software, models and solutions supported by a large-scale SaaS environment that served the global insurance and re-insurance market where he rebuilt the security program focusing on product security, DevSecOps, and cloud security automation. During his tenure, Garo also led the M&A security process for the sale to Moody’s and subsequent integration of people, process, and technology.

 

Before joining RMS, Garo was the CISO for Green Dot, a FinTech and regulated bank holding company where he led security programs integrating financial platforms with companies including Apple, Intuit, Uber, and Walmart. During his tenure at Green Dot, Garo also served as CIO and managed the Enterprise Fraud and Risk Product Development teams.

 

He holds a Bachelor of Science in Computer Science from the University of California, Los Angeles and is a Certified Information Systems Security Professional (CISSP) and Certified Information Security Manager (CISM).

Donna Greene

CHIEF HUMAN RESOURCES OFFICER

Bio

Donna joined NextGen Healthcare in 2011 and was appointed Chief Human Resources Officer in December 2017. Previously, Donna was the company’s Vice President of Human Resources, bringing more than 25 years of human resources experience to her role. Under her direction, the company transitioned to a private company and a shared services platform, whereby all employees globally across U.S. and India leverage and benefit from the resources built by Donna and her team.

Prior to joining NextGen Healthcare, Donna was the corporate director of Human Resources for Alliance Healthcare Services, where she focused on employee services for physicians and healthcare workers in the oncology and diagnostic imaging space.

Before embarking on an HR-focused career, Donna worked in retail operations, which led to her first HR role. She began employment with Target as an HR manager and worked her way up to a regional HR professional, focused on employee relations. Later, she became the director of HR for Cendant as well as the chief people officer for a small human capital consulting firm.

Donna's work has spanned a broad array of industries and companies of all sizes. She has secured a proven track record of designing programs to continually improve the working environment, and creating policies that bring that vision to life.

She graduated with a bachelor of science in Economics from the University of California, Los Angeles, and an advanced certification in Human Resources and Business Leadership from the University of California, Irvine.

Jeffrey Linton

CHIEF LEGAL OFFICER, GENERAL COUNSEL, AND SECRETARY

Bio

Jeff Linton joined NextGen Healthcare in 2017 as Chief Legal Officer, General Counsel and Secretary. Bringing extensive healthcare experience to the role, Jeff leads the company's legal affairs, regulatory, and compliance groups.

Most recently, Jeff served as general counsel and secretary of Applied Proteomics, Inc., a company that developed noninvasive, blood-based tests for monitoring and early detection of disease. He oversaw all legal, intellectual property, compliance, and human resources activities. Previously, Jeff was senior vice president, general counsel, and secretary of Sequenom, Inc., a life sciences company. His experience includes similar roles and responsibilities at Beckman Coulter, Inc., a biomedical testing products company, Serologicals Corporation, a producer of life science research products and technologies, diagnostic kits, and drug discovery services and Solvay Pharmaceuticals, Inc., a branded pharmaceutical company.

Jeff graduated magna cum laude with a bachelor's degree from Butler University. He earned a Juris Doctorate, cum laude, from the University of Notre Dame Law School.

Diane Kaye

Chief Product Officer

Bio

Diane Kaye joined NextGen Healthcare in 2024 as Chief Product Officer. She brings over 30 years of experience to NextGen Healthcare, where she has established herself as a leader in product development, operations, and strategic advisory within the healthcare sector. Diane is responsible for driving innovation and transformation of the company’s solutions portfolio.

 

Prior to NextGen Healthcare, Diane was Senior Vice President and Chief Product Officer at Omnicell, Inc (Nasdaq: OMCL), a leader in transforming the pharmacy care delivery model.  Previously, she was Chief Operating Officer at Candescent Health, a cloud-based radiology workflow and analytics provider, and Chief Revenue Officer at Propeller Health, a leading digital therapeutics company. Diane was also part of the early leadership team at athenahealth, where she spent 10 years. She holds a BA in Economics and an MS in Public Policy and Economics, both from the University of Rochester.

Jacob Sims

Chief Technology Officer

Bio

Jacob Sims joined NextGen Healthcare in 2024 as Chief Technology Officer (CTO). He brings close to 20 years’ experience in leading large-scale healthcare technology organizations to NextGen. Jacob is responsible for leading the company’s technology vision, strategy and execution to enable better health and financial outcomes for our clients and their patients. 

Prior to NextGen, he served as Executive Vice President and CTO at Gainwell & HMS, a provider of public health and human services IT solutions to state and local governments, which was acquired by Veritas Capital in 2020. At Gainwell, Jacob was responsible for leading: platform and technology strategies; product and platform engineering; operations; mergers and acquisitions; advanced analytics; and research and development. Prior to Gainwell, he served as Senior Vice President and CTO at WebMD Health Services. 

Jacob has also served on various non-profit boards throughout Nashville and holds a bachelor’s in computer science from Middle Tennessee State University.

Ryan Miller

Senior Vice President, Corporate & Business Development

Bio

Ryan Miller joined NextGen Healthcare in December 2024 as Senior Vice President of Corporate & Business Development. In this role, Ryan leads NextGen Healthcare’s mergers and acquisitions (M&A) and business partner strategies and execution. Working closely with his team and key partners across the enterprise, Ryan is responsible for identifying and cultivating strategic opportunities, leading the business case development and due diligence of potential partners, and driving the execution of the transactions to completion.

Ryan brings 25+ years of M&A and strategy experience to NextGen Healthcare, with the last 20 of those years in the healthcare industry. He most recently served as Executive Advisor to New Mountain Capital and two of its portfolio companies, Apixio and Personify Health. Prior to his work with New Mountain, Ryan served as SVP, Strategy & Corporate Development for Change Healthcare from 2019 through the sale of the company to UnitedHealth Group and initial phases of integration into Optum. Prior to joining Change Healthcare, he held M&A and strategy leadership roles at Anthem (now Elevance Health) and Availity, a leading multi-payer connectivity platform, in which he led Anthem’s investment in 2009.

He began his career at Goldman, Sachs & Co., where he spent 8+ years in investment banking in the New York and Chicago offices. He holds a bachelor's degree in economics from DePauw University.