Executive Leadership Team
Matthew Gantz, M.B.A.
President and Chief Executive Officer
Mary Spellman, M.D., F.A.A.D.
Chief Medical Officer
John Maslowski
Chief Scientific Advisor
Brad Middlekauff, J.D.
Chief Legal Officer
Katherine Reedy, M.B.A
Senior Vice President, Commercial
Timothy I. Mitchell, M.S.
Vice President, Quality
Senior Leadership Team
Andrea Kistner, C.P.A.
Vice President, Finance
Jeff Hesselberg, M.B.A.
Vice President, Regulatory and Quality Affairs
January McKee, Ph.D.
Assistant Vice President, Process Sciences
Anthonius Kley
Senior Director, Facilities
Edward Russell, M.B.A.
Senior Director, Human Resources
Jeremy Cress
Senior Director, Manufacturing Operations
Robin Blumenthal, Ph.D.
Senior Director, Clinical Operations
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.