Timothy M. Block

Dr. Timothy M. Block is a co-founder and former president of the Hepatitis B Foundation and its research arm, the Baruch S. Blumberg Institute. He also is a co-founder and former president of the Pennsylvania Biotechnology Center (PABC), which is managed by the Blumberg Institute.

Dr. Block stepped down as president in July, 2022 but he is still actively participating in the leadership of the Foundation, the Blumberg Institute, and PABC. He is now the Executive Chair of the Board of Directors for all three organizations. Read more about this transition here.

The three nonprofit organizations share a campus in Doylestown, Pa. Dr. Block resides in Doylestown with his wife Joan, a registered nurse and Hepatitis B Foundation co-founder and board member emeritus.

Internationally recognized for his outstanding scholarship and scientific contributions, Dr. Block has been engaged in viral hepatitis research for more than 30 years. He has been a member of the faculty at Thomas Jefferson University (1984-2005) and the Drexel University School of Medicine (2005-2015). He is an adjunct professor at Geisinger Commonwealth School of Medicine and the University of Pennsylvania's Perelman School of Medicine.

Dr. Block received his Ph.D. in Biochemistry from the State University of New York Buffalo and completed his post-doctoral training at Princeton University.