Leadership

Linda Thomas-Hemak, M.D., FACP, FAAP
President and Chief Executive Officer

Jignesh Y. Sheth, M.D., FACP, MPH
Chief Medical Officer and Senior Vice President

William Dempsey, M.D.
Deputy Chief Medical Officer

Ronald P. Daniels, MBA, CPA
Chief Financial Officer

Meaghan Ruddy, Ph.D.
Senior Vice President

Jennifer Walsh, Esq.
Senior Vice President

Jumee Barooah, M.D.
Designated Institutional Official

Lisa Baumann
Vice President

John Janosky
Vice President

Tiffany Jaskulski
Vice President for Health Innovation and Strategic Initiatives

Kellie Knesis
Vice President

Constance S. Sixta, Ph.D., MSN, MBA, RN
Interim Vice President & Chief Operating Officer of Clinical Administration

Laura Spadaro
Vice President

Sandra Yastremski, CPA
Vice President, Chief Accounting Officer

Kevin A. Perneta, MBA
Vice President and Chief Compliance Officer

Scott Koerwer, Ph.D., Ed.D.
Executive Vice President and Chief Administrative Officer