Executive Leadership Team
Matthew Gantz, M.B.A.
President and Chief Executive Officer
Mary Spellman, M.D., F.A.A.D.
Chief Medical Officer
Joseph Lillegard, M.D., Ph.D.
Chief Scientific Officer
Babar Ghias
Chief Operating Officer
Brad Middlekauff, J.D.
Chief Legal Officer
Katherine Reedy, M.B.A
Senior Vice President, Commercial
Michael J. Maurer, M.S.
Vice President, Manufacturing
Senior Leadership Team
Andrea Kistner, C.P.A.
Vice President, Finance
Fatima Ahmad, Pharm.D.
Vice President, Medical Affairs
Jeff Hesselberg, M.B.A.
Vice President, Regulatory and Quality Affairs
Rob Kaiser, Ph.D., D.A.B.T
Vice President, Pre-Clinical Development
January McKee, Ph.D.
Associate Vice President, Process Sciences
Robin Blumenthal, Ph.D.
Associate Vice President, Clinical Operations
Anthonius Kley
Senior Director, Facilities
Edward Russell, M.B.A.
Senior Director, Human Resources
Jeremy Cress
Senior Director, External Manufacturing and Technology
Tracy Rarick
Senior Director, Technical Operations Program Strategy & Management
Tymissha Jackson, M.S., RAC
Senior Director, Regulatory Affairs
Jeff Aronin
Castle Creek Biosciences Founder and Chairman
Paragon Biosciences Founder, Chairman and C.E.O.