Geoffrey W. Hoffa, M.S., P.A.-C, is an NCCPA-certified physician assistant and has practiced in the Phoenix metropolitan area since 2001. He moved to Arizona in 1997 after receiving his Bachelor of Science Degree in Zoology from Michigan State University. He then earned a Master of Science in Physician Assistant Studies from the Arizona School of Health Sciences, A.T. Still University, in Mesa. Mr. Hoffa has practiced Gastroenterology and Hepatology, and in 2002 transitioned into Transplant Surgery at Mayo Clinic Hospital. While serving over five years in the multi-disciplinary service which included Transplant Hepatology, Transplant Nephrology, Hepatobiliary and Pancreatic surgery, as well as abdominal Transplant Surgery, he earned the academic title of Instructor of Medicine. He was the first physician assistant to be allowed associate membership into the American Society of Transplant Surgeons, where he has served as a P.A. liaison for the Legislative Committee.

Active both in the clinical and policy aspects of the profession, he formed Hoffa Health Care (Geoffrey W. Hoffa, PLLC), which offers independent contracting clinical services and has enabled continued leadership for the profession. Mr. Hoffa Is a Fellow of the Arizona State Association of Physician Assistants, and the American Academy of Physician Assistants, and has served ASAPA as Chairman of the Public Relations Committee and as an elected Delegate to AAPA House of Delegates.