Our Experts

Work with Industry Thought Leaders at Every Stage of Your Clinical Research Study

With so much at stake, you want the best minds focused on your clinical trial. ERG delivers, with teams of experts working on every facet.

Sherwyn Schwartz, MD

Senior Medical Lead, Metabolism and Endocrinology, Evolution Research Group

  • Has conducted 1200 studies, primarily in diabetes and endocrinology
  • Published 225 papers and authored three books
  • Expert in conducting clinical research in diabetes, NASH and other indications in endocrinology and metabolism
  • Founder and Former Director of DGD (Diabetes & Glandular Disease Research Associates), San Antonio, Texas
  • Holds degrees from the University of Illinois (MD, BS)

Paul Ramirez, MD

President of CNS Ratings, LLC

  • Specialist in psychometric assessment for CNS trials conducted worldwide
  • Professor within the Clinical Psychology Doctoral Program at Long Island University
  • Contributing author of PANSS, coauthor of IQPANSS and coauthor of the official HS Japanese translation of PANSS

Tom Haskins, PhD


  • Industry veteran of clinical research from discovery through Phase IV trials
  • Consultant in all aspects of global clinical development in neuroscience
  • Extensive experience in managing and optimizing research teams

John Carlos Diaz

President and Owner of GeoSera Consulting

  • Heads a Minority Business Enterprise that specializes in clinical research by executing clinical development plans across multiple clinical trials
  • Served as a Clinical Operations Leader managing global clinical research at several large pharmaceutical companies
  • Was a Senior Scientist at GSK within Drug Metabolism and Pharmacokinetics
  • Holds degrees from George Washington University (MA, Clinical Research) and New York University (BS, Biochemistry)
  • Holds professional certificates in Finance and Accounting from the Wharton School at University of Pennsylvania and in Clinical Research from Villanova University

Louis Kirby, MD

Medical Monitor, Consultant for CNS Pharmaceutical Development

  • Principal Investigator on nearly 400 clinical trials
  • Expert in CNS drug development, medical devices, and laboratory-developed diagnostics; consults with the pharmaceutical industry on strategic issues and protocol writing and review
  • Founded and ran Pivotal Research Centers; served as chief medical officer at Provista Life Sciences, and as a medical director at Neuraltus Pharmaceuticals
  • Board certified in neurology