Arnold B. Gelb MD, MS, DABP, FASCP, FCAP

Arnold B Gelb, MD, MS, DABP, FASCP, FCAP is presently a Clinical Advisor at EMD Serono Research and Development Institute, Inc., a business of Merck, KGaA, Darmstadt, Germany. He helps drive strategy and implementation of tissue-based exploratory biomarkers and companion diagnostics for clinical development programs, with a focus in immuno-oncology.

He previously held progressive positions through Senior Medical Director in biomarkers, companion diagnostics and/or pathology, including at Halozyme Therapeutics, Quest Diagnostics Clinical Trials, Novartis, and the faculty of the University of California, San Francisco. He is board certified pathologist with immuno-pathology and molecular pathology experience, who trained at the University of California, San Francisco, Stanford University, and the University of Chicago. He earned his medical degree from Stanford University where he was a Stanford Medical Scholar, following graduate studies in the Harvard-MIT Division of Health Sciences.