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Leadership Team



Terren S. Peizer

Founder, Chairman of the Board
and Chief Executive Officer

Terren S. Peizer

Founder, Chairman of the Board
and Chief Executive Officer
Executive Team Leader

Terren is an entrepreneur, investor, and financier with a special interest in healthcare. He is the founder of Ontrak, Inc. and he has served as the Company’s Chairman of the Board of Directors and CEO since the company’s inception in 2004. To learn more about Terren, click here.

Curt Medeiros

President and Chief Operating Officer

Curt Medeiros

President and Chief Operating Officer

Curt is responsible for Ontrak's Operations, Sales and Marketing, and Digital Technology. He joined Ontrak in 2019 and most recently served as President, OPTUM Analytics at UnitedHealth Group. Curt brings over 20 years experience in designing growth strategies and novel collaborations that improve the healthcare system for all stakeholders. He has deep expertise in big data analytics that drive better outcomes and lower the cost of care.

Julia Wright, MD

Chief Medical Officer

Julia Wright, MD

Chief Medical Officer

Julia leads clinical affairs and new product development. She joined Ontrak in 2019 and brings over two decades of health plan leadership experience and deep expertise in leveraging data to advance the quality of evidence-based care.

Brandon H. LaVerne

Chief Financial Officer

Brandon H. LaVerne

Chief Financial Officer

Brandon leads all aspects of Ontrak's Finance and our HR operation. He brings 27 years of public company experience in roles that have included Chief Financial Officer, Treasurer, Vice President and Assistant Secretary. He joined Ontrak in 2020 from PCM, Inc., a $2.2 billion technology solutions provider where he oversaw 14 acquisitions and 2 subsidiary IPOs.

Jeremiah Stone

Chief Technology Officer

Jeremiah Stone

Chief Technology Officer
Executive Team Member

Jeremiah is responsible for the strategic direction and evolution of Ontrak’s technology operations, including the predictive analytics and digital technology behind the Ontrak solution. He joined Ontrak in 2018 and has extensive digital innovation and operations experience across multiple industries and domain areas.

Brian Kelly

Senior Executive Vice President, Product Portfolio

Brian Kelly

Senior Executive Vice President, Product Portfolio
Executive Team Member

Brian leads our company-wide product portfolio. He joined Ontrak in 2020 with 25 years of leadership experience from Ascend Learning, UnitedHealth Group (Optum), Merck and Dupont. He began his career as an active-duty Navy officer.

Peter M. Bearse, Ph.D.

Chief Data Scientist and SVP

Peter M. Bearse, Ph.D.

Chief Data Scientist and SVP

Hands-on player and leader of the team developing algorithms to identify, engage, retain, and treat OnTrak members. Pete has an extensive background in machine learning and statistical modeling as a professor and in the private sector.

Mary Hardy

Senior Vice President, Growth

Mary Hardy

Senior Vice President, Growth

Mary is responsible for the strategy and growth of our current client portfolio. She joined Ontrak in 2019 and has over 25 years of healthcare leadership experience, helping payers achieve their value-based care goals through enabling technology solutions.

Susan Etzel

Senior Vice President, Finance

Susan Etzel

Senior Vice President, Finance

Susan is responsible for financial planning, reporting and risk management. She joined Ontrak in 2008 and has extensive accounting and financial experience from both private and public companies.

W. Gregory McLane

Chief Marketing and Strategy Officer

W. Gregory McLane

Chief Marketing and Strategy Officer

Greg is responsible for the overall Marketing, Strategy and Medical Economics at Ontrak. He joined the company in 2008 after running business units at major global enterprises and founding four companies.

Patrick Traynor

Senior Vice President, Engineering and Operations

Patrick Traynor

Senior Vice President, Engineering and Operations

Patrick is responsible for the engineering, architecture and operations at Ontrak including the development of new digital member capabilities for the OnTrak program. Patrick joined Ontrak in 2018 and has background in architecture and software development spanning multiple industries and diverse technologies.

Michael Wain

Senior Vice President, Member Engagement

Michael Wain

Senior Vice President, Member Engagement

Michael is responsible for leading Ontrak’s Member Engagement function. He has more than 20 years of experience leading member acquisition, engagement and contact centers at companies across diverse industries from start-up to Fortune 500. Michael joined Ontrak in 2019 with expertise in leveraging best practices in the successful scaling and growth of customer engagement and contact center businesses.

Sara E. Armstrong

Vice President, Care Community

Sara E. Armstrong

Vice President, Care Community

Sara leads the Care Community team who delivers the OnTrak program to our members. She joined Ontrak in 2017 and has significant experience in the science of behavior change in vulnerable populations.

Brandy Butler

Vice President, Operations, Training and Development

Brandy Butler

Vice President, Operations, Training and Development

Brandy serves as VP of Operations, Training and Development. She is responsible for Ontrak team development and member operational processes. Brandy joined Ontrak in 2011 with extensive experience in process development, behavior change and health coaching.

Sandy Gyenes

Vice President, Human Resources

Sandy Gyenes

Vice President, Human Resources

Sandy leads Human Resources for Ontrak, including talent attraction and acquisition; compensation; benefits; diversity and inclusion; performance management; employee reward and recognition strategies; and consultative business support. She joined Ontrak in 2019 with more than 25 years of experience to support the organization’s growth and transformation initiatives.

Greg Mellstrom

Vice President, Strategic Analytics and Reporting

Greg Mellstrom

Vice President, Strategic Analytics and Reporting

Greg is responsible for strategic analysis, business analytics, and reporting. He joined Ontrak in 2018 and has extensive strategic, analytical, reporting, and consulting experience in private and public sector companies.

Kim Moore

Vice President, Provider Network Management

Kim Moore

Vice President, Provider Network Management

Kim is responsible for provider network management, network development, and network relations. She joined Ontrak in 2018 and has 20+ years’ experience in provider contracting, network relations, and network strategy from both payer and provider organizations.

Tanya Ozkan

Customer Experience Officer

Tanya Ozkan

Customer Experience Officer

Tanya is responsible for all new partner and existing implementations/on-boarding as well as company-wide cross-functional projects. She joined Ontrak in 2017 and has extensive experience in complex program and project management, operations and network management with health plan managed care and benefit management companies.

Charles Polatsek

Vice President, Sales

Charles Polatsek

Vice President, Sales

Chuck is responsible for health plan sales and expansion. He joined Ontrak in 2010, with experience in clinical & services sales to health plans and hospitals.