Professor of Medicine/Pharmacology & Toxicology, The Geisel School of Medicine at Dartmouth, Executive Director American Board of Clinical Pharmacology
Vice President, Research, Health Policy & Abuse Liability, Pinney Associates Inc and Professor, Behavioral Biology Johns Hopkins Univ School of Medicine Prediction & Treatment Unit, National Inst on Drug Abuse Intramural Research Program
Vice President, Scientific Research & Global Head of Quantitative Systems Pharmacology Pfizer Worldwide Research, Development & Medical Clinical Pharmacology & Bioanalytics