Dr. Preti is PCT's Co-Founder and President. He has held these positions since March 1999. Through his administrative duties, Dr. Preti has overseen the growth of PCT from its inception to the world’s leading commercial cell therapy company.

Previous positions held by Dr. Preti include Scientific and Laboratory Director of Hackensack University Medical Center's stem cell processing and research laboratory and Scientific Director of the Clinical Services Division at the New York Blood Center.

He is one of the country's leading authorities on cell engineering, advanced cell and gene therapy manufacturing, testing and delivery, and regulatory aspects relating to the cell therapy and regenerative medicine industry. He has been  the principal investigator for a number of clinical trials relating to the clinical testing of cellular therapies.

Dr. Preti is a founding member of the International Society for Cellular Therapies (ISCT, formerly the International Society for Hematotherapy and Graft Engineering), served on its Executive Committee and Boaad of Directors for 10 years, and serves on the Editorial Board for the society’s journal, Cytotherapy. He currently serves in his fourth term as Director for the AABB. He is a frequently invited speaker at international and national symposia and conferences, addressing a wide range of topics within his expertise in the clinical development programs for cellular therapies, including the business, financial, logistic, and manufacturing, product development, testing, quality, and regulatory aspects of successful commercialization.