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medical leadership

At Trillium Health, we are proud to offer welcoming, LGBTQ-affirming providers.


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 greatly benefits 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 is invaluable to Trillium Health, as the organization continues to focus on the highest quality and affordable healthcare.


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.

our providers

Trillium Health at 259 Monroe Avenue

Sarah Bolduc, MD, FAAP

Jacob Scutaru, MD

Annamaria Kontor, MD, FAAP

Michael Mancenido, DO

Katie Ciurca, PA

Emily Duke PA

Paul Scheib, PA

Bill Schaefer, MS RPA-C, AAHIVS

Erin Grindle, PA-C

Sean Owen, NP

Center for Gynecological Care & Wellness

Mary Ciranni-Callon, DO

Samuel Tripp, MD

Joan Brenner, CNM

Jolene Griffith, PA-C

Pathway Pediatrics

Lesley Glowinsky, MD, FAAP

Penelope Parris, MD, FAAP

Elizabeth Supra, MD, FAAP

Annamaria Kontor, MD, FAAP

Sarah Bolduc, MD