Board Officers

Joel Rosen, Esq.

Timothy M. Block, Ph.D

Catharine Williams, MGA
Vice President

Joseph Hediger

Janine Witte



Louis P. Kassa, III, MPA 
Executive Vice President/Chief Operating Officer

Chari Cohen, DrPH, MPH
Vice President, Public Health and Programs

Jean Holmes, MBA
Vice President, Institutional Advancement

Robert Gish, MD
Medical Director


Board of Directors & Staff

Board of Directors

Timothy M. Block, PhD
Co-Founder and President, Hepatitis B Foundation
President and Director, Baruch S. Blumberg Institute

Stanley Broadbent
Retired Managing Director, The Glenmede Trust

Carol Brosgart, MD
Clinical Prof. of Medicine, UC San Francisco

Nathaniel Brown, MD
Retired Biotech/Pharma Executive (focus on HBV and HCV)

Alan Brownstein, MPH*
President, NP Solutions

Loren Danzis, Esq.
Partner, Fox Rothschild LLP

Craig Esterly
Co-Founder and Managing Member
SD Asset Group

Anthony Ford-Hutchinson, PhD
Former Senior VP, Vaccine Research
Merck & Co.

Joseph Hediger
Vice President of Finance
Children's Hospital of Philadelphia

Raman Kapur
Chairman, Transition Patient Services, LLC

Joel Rosen, Esq.
Managing Partner
High Swartz Roberts & Seidel LLP

Thomas Shenk, PhD
Elkins Professor, Dept. of Molecular Biology
Princeton University

Walter Tsou, MD, MPH
Adjunct Professor, University of Pennsylvania
Former City Health Commissioner of Philadelphia

Su Wang, MD, MPH
Medical Director, Asian Center for Health

Catharine Williams, MGA

Janine Witte
Co-Founder, Hepatitis B Foundation

Wayne Yetter
Founding CEO of Astra Merck and Novartis (USA)


* Leave of Absence, current Vice President, Public Policy

Scientific and Medical Advisors

Harvey Alter, MD
Former Chief, Infectious Disease Section, Department of Transfusion Medicine, National Institutes of Health, Bethesda, MD

Timothy M. Block, PhD 
Co-Founder and President, Hepatitis B Foundation and its Baruch S. Blumberg Institute, Doylestown, PA

Nathaniel Brown, MD
Retired Biotech/Pharma Executive (focus on HBV and HCV), San Francisco, CA

Carol Brosgart, MD
Clinical Professor of Medicine, Division of Global Health, Univ. California of San Francisco, CA

Francis Chisari, MD
Emeritus, Scripps Research Institute

Raymond Dwek, DPhil, FRS
Professor and Founder, Glycobiology Institute at the University of Oxford, Oxford, UK

Anthony Ford-Hutchinson, PhD
Former Merck Sr. VP, Vaccine Research

Lawrence Friedman, MD
Gastroenterologist, Massachusetts General Hospital

Robert Gish, MD
Hepatitis B Foundation Medical Director and Principal of Robert G Gish Consulting, LLC

Hie-Won L. Hann, MD
Professor and Director, Liver Disease Prevention Center, Thomas Jefferson University Hospital, Philadelphia, PA

Stephen Locarnini, MD, PhD
Head, Molecular Research, Victorian Infectious Diseases Reference Labs

William Mason, Ph.D.
Emeritus, Fox Chase Cancer Center, Philadelphia, PA

Brian McMahon, MD
Scientific and Clinical Director, Liver Disease and Hepatitis Program, Alaska Native Medical Center, Fairbanks, AK

Robert Perrillo, MD
Senior Research Hepatologist, Hepatology Division of Baylor University Medical Center, Dallas, and Adjunct Professor of Medicine, University of Texas Southwestern 

Lewis Roberts, MB, ChB, PhD
Professor of Medicine

Kenneth Rothstein, MD
Chair, Division of Gastroenterology and Hepatology, Drexel University College of Medicine, Philadelphia, PA

Raymond Schinazi, PhD
Professor, Pediatrics and Chemistry, and Director of the Laboratory of Biochemical Pharmacology, Emory University, Atlanta, GA; Founder of RFS Pharma

Thomas Shenk, PhD
Elkins Professor, Dept. of Molecular Biology
Princeton University


In Memoriam:

Baruch Blumberg, MD, DPhil
Nobel Laureate and Distinguished Scholar of the Hepatitis B Foundation (2011)

W. Thomas London, MD
Emeritus, Fox Chase Cancer Center (2017)

Bud Tennant, DVM
College of Veterinary Medicine, Cornell University (2016) 


Outreach and Public Health

Chari Cohen, DrPH, MPH 
VP of Public Health and Programs

Kristine Alarcon, MPH

Catherine Freeland, MPH

Maureen Kamischke

Kate Moraras, MPH

Sierra Pellechio, CHES

Rhea Racho, MPP


Institutional Advancement

Jean Holmes, MBA
VP of Institutional Advancement

Jenny Kimbel

Susanna McGrogan

Megan Pierce


Finance and Operations

Patti McAloon, MBA  

Deborah Blough

Chris Cheshire

Mark Hansen

Andy Harris

Konrad Kroszner

Judith Marchand

Loretta Molle

Ray Savage

Nancy Young