About Us

Medical Leadership

biernbaum_Web.jpgROBERT BIERNBAUM, D.O.

Senior Vice President, Chief Medical Officer, Board Certified in Emergency Medicine

Robert “Rob” Biernbaum, D.O. holds a Master’s degree in Epidemiology from the State University of New York at Buffalo and a Doctorate of Osteopathy from the University of New England. He completed his Residency in Emergency Medicine at Genesys Regional Medical Center.

In his vital role as Chief Medical Officer, Biernbaum oversees Trillium Health’s expansion as we provide new services, barrier-free access to medical care & supportive services while increasing access to populations with crucial health care needs. His expertise in emergency and trauma-induced care will greatly benefit the patients Trillium Health serves.

Robert joined Trillium Health from MultiCare Health System, an organization with a fast-paced trauma center, four community hospitals, and many neighborhood clinics based in Tacoma, Washington. Prior to MultiCare, Biernbaum was Rochester Regional Health System’s chief architect for all Epic solutions and in charge of informatics for five hospitals and more than 100 ambulatory sites. He also was the executive responsible for quality measures and meaningful use.

A native Rochesterian with roots in Pittsford & Victor, his expertise will be invaluable to Trillium Health, as the organization continues to focus on the highest quality and affordable healthcare.


WILLIAM M. VALENTI, M.D.William M. Valenti

Senior Vice President for Strategic Advancement, Chief of Innovation, Co-Founder, and Staff Physician

Dr. Valenti is a graduate of the Medical College of Wisconsin and co-founded Community Health Network in 1989. He is Clinical Associate Professor of Medicine at the University of Rochester School of Medicine and Dentistry and completed his Infectious Diseases training at the University of Rochester. He is a fellow of the Infectious Diseases Society of America. He has been active in HIV-related activities since the early 1980s and is chair of the Infectious Diseases Committee of the Medical Society of the State of New York and is a member of New York State's Task Force to End the HIV Epidemic by 2020.

He has published more than 150 peer-reviewed articles, book chapters and scientific abstracts on HIV medical care, infectious diseases and health care epidemiology and infection control.

As Chief of Innovation, Dr. Valenti oversees programs to End the HIV Epidemic, including Pre-exposure HIV Prophylaxis (PrEP), LGBTQ Health and the MOCHA Centers.