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Executive Team

Dr. John Bonfiglio, Chief Executive Officer and President

Most recently, Dr. Bonfiglio worked as the President and Chief Executive Officer and as a director of Transdel Pharmaceuticals, Inc. Prior to that he worked as the President and Chief Executive Officer of Argos Therapeutics in Durham, NC and prior to that he was the Chief Executive Officer of The Immune Response Corporation in Carlsbad, CA. He was also the Chief Executive Officer of Peregrine Pharmaceuticals and held senior management positions with Cypress Biosciences, Baxter Healthcare and Allergan, Inc.


Michael Sullivan, Chief Financial Officer

Most recently, Mr. Sullivan worked as the Group Financial Officer for the Investigative Services and Litigation Consulting Services segment of First Advantage Corporation, a firm specializing in talent acquisition solutions where he streamlined the employee recruitment process. Mr. Sullivan has held senior level financial positions for several publicly and privately held businesses including: Utek Corporation, eANGLER, and HSN Direct International Limited. Mr. Sullivan is a Florida Certified Public Accountant, graduating from Florida State University with a Bachelor of Science in Accounting and a Master of Business Administration.


Dr. Robert Zahradnik, Vice President of Operations

Dr. Zahradnik, one of the co-founders of Oragenics has served in several senior capacities for the Company. He has held a variety of senior level positions in the health care arena and is currently working on expanding Oragenics' patented blend of probiotics, ProBiora3®, for oral care.


Dr. Martin Handfield, Vice President of Research

Dr. Handfield has served as our Director of Research and Development since January 2009. Prior to joining our Company, Dr. Handfield held a position as Tenured Associate Professor at the Center for Molecular Microbiology and the Department of Oral Biology at the University of Florida College of Dentistry, where he co-invented IVIAT and co-founded ivi Gene Corp. and Epicure Corp. to commercialize this and related technologies. Dr. Handfield holds a B.S. degree in Biochemistry, and a MS degree and PhD in Microbiology and Immunology from the Université Laval College of Medicine in Canada, and did postdoctoral training at the University of Florida under the mentorship of Dr. Hillman.





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