Leadership
Management
Ronald J. Zenk, MBA
Chief Executive Officer
Michael D. Kaytor, Ph.D.
Chief Scientific Officer
Rear Admiral Colin Chinn, MD, MHS, FACP
Chief Medical Officer
Timothy E. Morris
Chief Operating Officer
Artur Serebrenik, Ph.D.
Director of Product Development
Board of Directors
Executive Directors
Ronald J. Zenk, MBA
Chief Executive Officer
Timothy E. Morris
Chief Operating Officer
Independent Directors
Admiral Matthew L. Nathan, M.D.
Chairman of the Board
Admiral Nathan has served as a member of the Board since 2020 and as Chairman since 2022.
John C. Dykstra
Mr. Dykstra has served as a member of the Board since 1999.
Barbara R. Holcomb, RN, BSN, MSN
General Holcomb has served as a member of the Board since 2023.
Thomas F. Jasper
Mr. Jasper has served as a member of the Board since 2022.
Jake R. Nunn
Mr. Nunn has served as a member of the board since 2022.
Medical and Programmatic Advisors
Robert C. Miller, MD
Professor of Radiation Oncology, University of Maryland School of Medicine
Dr. Miller is a practicing radiation oncologist within the University of Maryland School of Medicine and is the Medical Director of the Maryland Proton Treatment Center.
Douglas W. Bryce
Advisor - CBRN Medical Countermeasure Contracting.
Mr. Bryce served as the Joint Program Executive Officer, Chemical, Biological, Radiological and Nuclear Defense.
Scientific Advisors
Isabel L. Jackson, Ph.D.
Assistant Professor of Radiation Oncology, University of Maryland
Dr. Jackson's area of expertise is focused on understanding the mechanisms underlying radiation effects in tissue.
Michael R. Landauer, Ph.D.
Scientist Emeritus, Armed Forces Radiobiology Research Institute
Dr. Landauer is a radiation countermeasure consultant.
