Meet the Centivo team.

Stephanie Argentine People & Legal

Stephanie leads People & Legal for Centivo.

Before joining Centivo, Stephanie founded solve& consulting, a management consulting firm working with boards, executives and entrepreneurs on strategy and organizational effectiveness. Prior to that, Stephanie served in senior human resources roles at Rich Products and Bureau Veritas where she advised senior leadership teams and led the development and implementation of leading practice people processes. Earlier in her career Stephanie was tenure track faculty at Medaille College, director of human resources at Catholic Health, confidential law clerk in federal court and a practicing insurance and malpractice defense attorney.

Stephanie also serves as an independent director for Allied Mineral Products, a 43North judge and mentor, an adjunct professor in the University at Buffalo School of Management and as the Executive in Residence with UB’s Center for Leadership and Organizational Effectiveness. She is a member of Women in the Boardroom and The Buffalo Angels and is admitted to practice law in the state of New York.

Stephanie holds a BA in speech pathology, a JD with concentration in commercial law and an MBA with concentrations in human resources and health care – all from University at Buffalo.

Alan Cohen Product

Alan leads Product for Centivo.

Prior to Centivo, he was a co-founder of Liazon, operator of the industry’s leading private benefits exchanges for active employees, and after its acquisition, led product development and strategy across Willis Towers Watson’s exchange offerings. Prior to Liazon, Alan was CEO and co-founder of Online Benefits, which was acquired by A.D.A.M., and then served as President of A.D.A.M. Prior to Online Benefits, he worked in the insurance industry for Prudential, Mass Mutual, CIGNA, and managed an insurance brokerage.

Alan is the author of the book “Employee Benefits and the New Healthcare Landscape”, and is quoted frequently in the press, including The New York Times, Wall Street Journal, Employee Benefits News, and more. He serves on the board of several early stage companies, and is an advisor to Blue Heron Capital.

Alan holds a BA from Cornell University, an MBA from Columbia Business School, and an MBA from London Business School.

Sarah Fraser Finance

Sarah leads Finance for Centivo.

Sarah brings a wealth of experience leading and scaling high-growth healthcare and tech organizations. At Centivo, she leads our capital markets strategy and oversees financial operations as we continue to accelerate our national expansion.

Most recently, Sarah served as CFO at Capsule, where she helped raise over $500 million to rebuild the pharmacy experience for the modern healthcare consumer and integrate it with the rest of the healthcare ecosystem.

Sarah received an MBA from the Stanford University Graduate School of Business.

Enrique Olivares Operations & Technology

Enrique leads Operations & Technology for Centivo

Enrique brings more than 25 years of health plan and business transformation experience to Centivo. He joins the firm from Point32Health, where he most recently served as Vice President of Integration. In this role he developed the integration roadmap and drove its execution that brought together two multi-billion-dollar regional health insurers. Earlier in his career, Enrique held senior positions of increasing responsibility at Point32Health, Tufts Health Plan, Aetna and Deloitte Consulting.

Enrique holds a BS degree in Computer Science from the University of Arizona.

Dave Osterndorf Actuarial

Dave leads Actuarial for Centivo.

He brings over 30 years of experience in employer-sponsored health care, including program design, operation and ongoing financial management. His expertise with comprehensive employer health strategies for both active and retired employees informs many of Centivo’s solutions. Previously, Dave worked for Willis Towers Watson, including serving as the firm’s Chief Health Actuary for many years. He had previously worked at two other consulting firms and at Aetna Life and Casualty’s health insurance operation. He is quoted frequently in the press including USA Today, the New York Times, Business Insurance and many others.

Dave holds a BS from the University of Wisconsin-Milwaukee and is a Fellow of the Society of Actuaries and a Member of the American Academy of Actuaries. He is also one of the three members appointed to the US Department of Defense’s Board of Actuaries.

James Parr Commercial

James leads Commercial for Centivo

James brings nearly three decades of carrier and commercial leadership experience to Centivo. Most recently, he served as a Producer in Lockton’s People Solutions practice while advising AI and HealthTech companies on go-to-market strategy, leveraging his deep industry network.

Previously, James spent nearly five years as Senior Vice President and Head of Sales at Collective Health, where he led the commercial sales organization and drove significant revenue growth. He began his career at Cigna, spending more than 20 years in progressively senior roles, including Vice President of the National Sales Team for the West Region and Vice President, National Account Executive, managing large, complex national accounts. He also sold to enterprise clients in Denver and Los Angeles after earlier roles in sales effectiveness and operations in Hartford and Columbus.

James holds a BA in Economics and Political Science from the University of Notre Dame.

Gillian Printon Enterprise Sales

Gillian leads Enterprise Sales for Centivo.

Before joining Centivo, Gillian served as a senior partner in Mercer’s health business, where she held multiple leadership roles focused on relationship management and service delivery for large, progressive employers. These roles included: three years as the jumbo employer team (JET) leader, two years as the national specialty practice leader, and eight years as the consulting practice leader in multiple locations. In addition, she was a member of Mercer’s North American Health Leadership Team.

Prior to her 23 years at Mercer, Gillian managed claims and customer service operations for a BCBS plan. She has also managed employer health and welfare benefits in both the public sector and the private sector.    

Gillian is known for driving business results for some of the largest employers in the country while seamlessly integrating her health care expertise with her passion for workforce diversity, mentorship, and giving back.  

Gillian holds a BA in international studies from the Johns Hopkins University. 

Stuart Roth Business Operations

Stuart leads Business Operations for Centivo

Prior to Centivo, Stuart spent 15 years with benefits consulting firm Willis Towers Watson and its legacy companies in various consulting, strategy, and program management roles – most recently as leader of strategy implementation for the Exchange Solutions segment – which developed and delivered health & benefit exchange products and services to employers of all sizes.  In other roles, he served as COO of a pension risk management venture, co-leader of Towers Watson’s merger integration team, and an internal strategy consultant.

Stuart began his career as a healthcare analyst with a boutique firm working on reform initiatives with federal and state agencies, and spent five years as a Congressional aide on Capitol Hill covering healthcare, education, and labor issues.

He holds a BA, Masters of Industrial and Labor Relations, and MBA from Cornell University.

Ashok Subramanian Chief Executive Officer

Ashok founded Centivo in 2017 after observing the inefficiency in the healthcare system and the pain that has resulted for employers and employees.

Prior to Centivo, Ashok co-founded Liazon, operator of the nation’s industry-leading private benefits exchange for active employees. Liazon was acquired by Willis Towers Watson in 2013, and after the acquisition, Ashok served as Managing Director for Willis Towers Watson’s Group Exchange business. Prior to Liazon, Ashok was an Associate Principal at McKinsey and Co., where he served as a leader in the firm’s healthcare and private equity practices. ​

In addition to his role at Centivo, Ashok serves as a senior advisor to Silversmith Capital, a growth equity firm.

Ashok received his undergraduate degree from Princeton University, a Master’s degree from Stanford University, and an MBA from the Stanford Graduate School of Business.