Meet Our Team

Executive Director

Brian Freed, PhD, F(ACHI) has over 30 years of experience and over 100 publications in the fields  of stem cell banking and histocompatibility. He is a member of the American Society for Histocompatibility and Immunogenetics, AABB, the American Society of Transplantation, and the American Society for Blood and Marrow Transplantation. Dr. Freed is a Fellow of the American College of Histocompatibility and Immunogenetics.

Associate Director

Christina Roark, PhD, F(ACHI) is Associate Director of ClinImmune and is an Associate Professor at the University of Colorado Anschutz Medical Campus. Christina (Tina) received her PhD in Immunology from the University of Colorado. She is a Fellow of the American College of Histocompatibility and Immunogenetics.

Medical Director

Louise Helander, M.B.B.S., FASCP, FCAP is a board certified anatomic and clinical pathologist specializing in cellular therapy.  Dr. Helander provides medical oversight to the laboratories within ClinImmune, as well as consultation services both within the laboratories and to ClinImmune clients.

Chief Operating Officer

Sandra Fradenburg is the Chief Operating Officer and focuses on business and personnel management, contracting and facility planning and operations.

Serology Laboratory Director

Gina Wedermyer, BS, CHS has 20+ years focusing on antibody identification and flow cytometric crossmatching. She is a member of the American Society for Histocompatibility and Immunogenetics with a Certified Histocompatibility Specialist.

Director of DNA Laboratory

Michael Aubrey, MS, CHS has 30+ years of experience providing research and clinical  expertise in HLA DNA sequencing, donor matching, and HLA research support. He is a member of the American Society for Histocompatibility and Immunogenetics with a Certified Histocompatibility Specialist.

Director of Regulatory Affairs

Catherine Winters, MBA, MT(ASCP) has 20+ years of experience in clinical laboratory and transfusion medicine. Catherine holds an MBA and a Bachelor of Science degree in medical technology and is board certified by the American Society of Clinical Pathologists. Catherine is a member of the American Association of Blood Banks.

Director of Stem Cell Laboratories

Sabine Stockinger, BS has 13+ years of experience managing processing and cryopreservation of hematopoietic progenitor cells for human transplantation.  She oversees new cell therapy treatments and studies, the development of cell lines for tissue regeneration in diabetic wound care using FDA accepted techniques and protocols.

Coordinator of Cellular Therapy

Stephanie Warnell, BS, CHS has 20+ years of experience search and release of stem cell products for human transplantation. She is a member of the American Society for Histocompatibility and Immunogenetics and a Certified Histocompatibility Specialist.

Chief Financial Officer

Jessica Bradshaw, MBA, CHT has 15+ years of experience in transplant laboratories. She has an MBA from the University of Colorado Denver Business School and a Bachelor of Science degree in Biology from Temple University. Jessica oversees finance and accounting, including supply chain management and procurement. She is a member of the American Society for Histocompatibility and certified with The American College of Histocompatibility & Immunogenetics.

Chief Development Officer

Amy McKee, PhD is the Chief Development Officer at ClinImmune Cell and Gene Therapy. Dr. McKee is an Assistant Professor in the Department of Medicine at the University of Colorado Anschutz Medical Campus. She received her doctoral degree in Immunology from Cornell University and completed her Post-doctoral Fellowship in the Department of Immunology at National Jewish Health.