DIVERSE BIOTECH - Key Persons


Armand B. Cognetta

Job Titles:
  • Florida State University

Dr. John Patrick - EVP

Job Titles:
  • Executive Vice President
Dr. John Patrick is our Executive Vice President and earned his MD from the Medical College of Virginia, now Virginia Commonwealth University. He is a board certified and practicing anesthesiologist who is also an active high-level entrepreneur. Dr. John is our Chief Medical Officer and Chairman of the Medical Committee, directing and consulting with national experts for our upcoming clinical trials. He is also an active member of the Board of Directors of Diverse Biotech, assisting in expanding the Company's intellectual property and has been instrumental in driving the Company's capital raises.

Joyce Ann O'Shaughnessy

Job Titles:
  • Texas Oncology & US Oncology Research

Michael P. Vaughn

Michael P. Vaughn, MD, PhD is our Director of Clinical Development. Dr. Vaughn had his PhD training at the Department of Microbiology and Immunology at the Medical College of Virginia/ VCU and was sponsored by an NIH training grant. His laboratory experience in Transplant and Cancer Immunology began even prior to his Medical training. Dr. Vaughn is Board Certified in Internal Medicine, Emergency Medicine and Allergy, & Immunology (A&I). He currently practices part-time in A&I and in 2023 was selected by his peers as one of San Antonio's "Best Doctors" in his field of practice.

Paul Hershberger

Job Titles:
  • Chief Chemist

Philip Arlen

Job Titles:
  • Chief Scientific Officer

William Fisher - Founder

Job Titles:
  • Founder
William Fisher, founder of Diverse Biotech, is revolutionizing cancer treatment through groundbreaking drug discovery. Despite lacking a scientific background, he assembled a world-class team of respected doctors and scientists, leading the charge in inventing a novel class of drugs that has shown promising results in preclinical trials. A risk-taker and thrill-seeker, William's pursuits extend beyond the boardroom to motorcycle racing, offshore fishing, and piloting aircraft. His visionary leadership has propelled Diverse Biotech to the forefront of transformative cancer therapies.