about us


Anthony J. Gringeri, Ph.D,
President and Chief Executive Officer

Dr. Gringeri was appointed Chief Executive Officer in December 2016. He joined ImmunoCellular Therapeutics in August 2013 as Senior Vice President, Strategic Resources. Dr. Gringeri has more than 25 years of executive experience in the pharmaceutical and biotechnology industry, having successfully led multiple functions and cross-functional teams throughout his career, including in the areas of clinical, regulatory and commercial planning and operations, finance, licensing and alliance management. He joined ImmunoCellular from ViaCyte, where he was Vice President and Chief Development Officer, responsible for all preclinical, clinical and regulatory activities.

Previously, Dr. Gringeri served as Chief Operating Officer for Amsterdam Molecular Therapeutics, where he was responsible for corporate strategy and operations, business development, building the company’s commercial capability, and played a key role in its initial public offering. Dr. Gringeri worked with Amgen for 15 years in a series of executive leadership roles. Dr. Gringeri was the Vice President, Product Development, responsible for the successful development and commercialization of ARANESP® (darbepoetin alfa). Dr. Gringeri holds a PhD in pharmacology from the University of Rochester and has authored multiple scientific publications.

Steven J. Swanson, Ph.D.,
Senior Vice President, Research

Prior to joining ImmunoCellular, Dr. Swanson was an independent consultant advising biopharmaceutical companies on basic immunology research, bioanalytical procedures, immunogenicity assessment, regulatory affairs and product quality. Dr. Swanson spent 15 years at Amgen as Department Head for Clinical Immunology, a then-new department providing immunogenicity and cytometry support for all of Amgen’s therapeutic proteins. Prior to joining Amgen, he led the immunoassay laboratory in the Biotechnology department at Schering Plough Research Institute. Dr. Swanson has been actively involved in multiple industry professional associations, including the American Association of Pharmaceutical Scientists (AAPS), where he is a Fellow, and was a co-author of AAPS-sponsored Industry White Papers that were incorporated into FDA and EMA Guidance for Immunogenicity Assessment. He was also an industry representative for the EMA Committee that developed the first Immunogenicity Recommendations, and was engaged by the FDA to train reviewers on immunogenicity assessment. Dr. Swanson has authored more than 60 publications. He holds a BA in chemistry/biology from North Central College, a PhD in microbiology from the University of Iowa, and completed a post-doctoral fellowship at The Ohio State University.

David Fractor,
Chief Financial Officer

Mr. Fractor has served as ImmunoCellular Therapeutics’ Treasurer and Vice President, Finance on a part-time basis since April 2011. Since 2003, Mr. Fractor has been a consultant providing financial consulting and strategic planning services, including Sarbanes-Oxley compliance consulting services, to a variety of companies in a variety of industries. From 1999 through 2003, Mr. Fractor was the Chief Financial Officer of HemaCare Corporation. Previously, Mr. Fractor was in public practice of accounting, having served as an audit manager at Deloitte and also at a regional accounting firm. Mr. Fractor received his B.S. in Accounting from the University of Southern California in 1982, is a certified public accountant and a member of AICPA and the California Society of CPAs.

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