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 does not receive any financial compensation from the Institute or the Foundation, and serves in a volunteer capacity as leader of both nonprofit organizations. He is a Professor of Microbiology and Immunology at Drexel University College of Medicine, and Director of the Drexel Institute for Biotechnology and Virology Research. Read Bio.


  • Timothy M. Block, PhD (President)
  • W. Thomas London, MD (Vice-President)
  • R. Donald Leedy (Treasurer)
  • Joan M. Block, RN, BSN (Secretary)
  • James Datin
  • David Griffith
  • Joseph Hediger
  • Joel Rosen, Esq.


President and Director Timothy M. Block, PhD
Chief Business Officer Nelson Carvalho, MBA
Director of Development Angela Jacobsen, CAP, CFRE
Director of Technology/KIZ Coordinator William Kinney, PhD
Director of Natural Products Institute Michael Goetz, PhD
Director of Operations/IT Konrad Kroszner
Director of Accounting Patti McAloon, MBA