Research

Bob Nease, PhD, Chief Scientist
Dr. Bob Nease joined Express Scripts in 2001. As chief scientist for Express Scripts, Dr. Nease studies the convergence of consumer behavior and healthcare, and is responsible for advancing our behavior-focused approach to the pharmacy benefit.

Dr. Nease leads the advisory board for the Center for Cost-Effective Consumerism and is a reviewer for several medical publications, including the Journal of the American Medical Association, the Annals of Internal Medicine, the Journal of General Internal Medicine, Quality of Life Research and Medical Decision Making. He is also past president of the Society for Medical Decision Making, and has served as a study section member of the Agency for Healthcare Research and Quality.

Prior to joining the Express Scripts, Dr. Nease was an associate professor of internal medicine at Washington University School of Medicine in St. Louis. He retains adjunct faculty appointments at the Washington University School of Medicine and the School of Public Health at Saint Louis University. He earned his bachelor's degree from the University of California, and his master's and doctorate degrees from Stanford University.

Steve Miller, MD, Senior Vice President & Chief Medical Officer, Research & Clinical Sciences
Dr. Steve Miller joined Express Scripts in 2005. An international speaker and author of more than 80 scientific articles, Dr. Miller is recognized for his research in the areas of acute renal failure, transplantation, hypertension and healthcare economics. Dr. Miller has been actively involved in the development of Express Scripts clinical programs supporting the use of generic pharmaceuticals and specialty medications. He serves as a leader in the promotion of legislation to create a pathway at the FDA for regulation of biogenerics and biosimilars.

Dr. Miller earned his medical degree from the University of Missouri-Kansas City. He received additional training in the Pathology and Research Fellowship at the University of Alabama at Birmingham and in cardiology at the University of California, San Francisco. In addition to his medical education, Dr. Miller earned his MBA at the Olin School of Business at Washington University in St. Louis.

Scott Devine, BPharm, MPH, PhD, Director, Health Services Research
Dr. Scott Devine has been involved in the delivery of healthcare and healthcare research for over 15 years. He holds a Bachelor of Science in Pharmacy degree from the University of Houston School of Pharmacy, a Master of Public Health degree from the Columbia University Mailman School of Public Health, and a Doctor of Philosophy degree in Epidemiology from University of North Carolina School of Public Health.

Dr. Devine has worked as a hospital, retail and long-term care pharmacist, and most recently as a Regional Outcomes Research Scientist for Pfizer. Prior to his work at Pfizer, he completed a post-doctoral fellowship with the US Food and Drug Administration's Office of Safety and Evaluation. Scott's research interests include the methodologies for creating complex and informative disease definitions through using automated healthcare databases, peri-natal epidemiology, propensity score modeling, implementation of survival analysis techniques and the use of large automated healthcare databases for drug evaluation and pharmacovigilance research.

Dave Tomala, MA, Director of Analytics, Research Department
David Tomala has been with Express Scripts since November of 2008. In his current role he is charged with applying cutting-edge quantitative methods to advance our understanding of the consumer. Among Dave's responsibilities are the quantitative assessment of Consumerology pilots, the development and practical application of segmentation, predictive models and data-mined insights.

Prior to joining Express Scripts, he spent 10 years in various quantitative roles in financial services including investment banking, mortgage and credit card products. Most recently, he was Vice President of Decision Science at the Credit Card Division of RBS Americas. He holds a master’s degree in Economics from the State University of New York at Buffalo where he specialized in Econometrics and Game Theory.