tim_blockTimothy M. Block, PhD
President and Director of the Baruch S. Blumberg Institute

Dr. Block is Co- Founder and President of the Baruch S. Blumberg Institute and the Hepatitis B Foundation, which established the Institute in 2003 to advance its research mission. He has been involved in hepatitis research for more than 20 years and is internationally recognized for his scholarship and scientific contributions to the field. Dr. Block was a tenured Professor at Thomas Jefferson University for 20 years and at Drexel University College of Medicine for 10 years.
Read Bio.


  • Timothy M. Block, PhD (President)
  • W. Thomas London, MD (Vice-President)
  • Joseph Hediger (Treasurer)
  • Joan M. Block, RN, BSN (Secretary)
  • Joel Rosen, Esq.
  • Thomas Shenk, PhD


President and Director Timothy M. Block, PhD
Chief Operating Officer
KIZ Coordinator
Louis P. Kassa, III
Director of Natural Products
Discovery Institute
William Kinney, PhD
Director of Operations and IT Konrad Kroszner
Director of Accounting Patti McAloon, MBA