Ritter Pharmaceuticals, Inc. announced the appointment of Diane J. Plotkin, Ph.D., as Vice President of Clinical Development. Dr. Plotkin joins Ritter Pharmaceuticals with nearly thirty years of experience in strategic, global clinical pharmaceutical research involving all phases of drug development. During her career, she has contributed to over fifteen Phase 3 clinical trials and multiple drug development programs leading to successful marketing approvals in both large-scale pharmaceutical and biotechnology companies. Dr. Plotkin was recently Senior Director of Worldwide Clinical Development for ActivX Biosciences, Inc., where she established and led the clinical development department to evaluate drugs for metabolic disorders from 2008 to 2014. Prior to ActivX, she spent the majority of her career at Merck Research Laboratories where she held positions of increasing responsibility serving most recently as Associate Director within the Department of Clinical Endocrinology and Metabolism, and Department of Cardiovascular and Atherosclerosis Clinical Research.