Executive Leadership
Matthew Gantz
President and Chief Executive Officer
Mary Spellman, M.D., F.A.A.D.
Chief Medical Officer
John Maslowski
Chief Scientific Advisor
Brad Middlekauff
Chief Legal Officer
Gregory MacMichael, Ph.D.
Chief Technology Officer
Greg Wujek
Chief Commercial Officer
Senior Leadership
Andrea Kistner
Vice President, Finance
Jeff Hesselberg
Vice President, Regulatory and Quality Affairs
Tim Mitchell
Vice President, CMC Quality
Edward Russell
Senior Director, Human Resources
Jeremy Cress
Senior Director, Manufacturing Operations
Robin Blumenthal, Ph.D.
Senior Director, Clinical Operations
Anthonius Kley
Facilities Director
Clarence W. Baker
Director of Quality Technology
Pamela Larsen
Director, Regulatory Operations
Tymissha Jackson, RAC
Director, Regulatory Affairs
Jeff Aronin
Castle Creek Biosciences Founder and Chairman
Paragon Biosciences Founder, Chairman and CEO
