Russell G. Clayton Sr., DO

As one of DZS Clinical Services’ senior scientific advisers, Dr. Clayton brings significant knowledge in a wide range of areas including providing strategic insight into clinical development plans, clinical study design, market access research and medical affairs, regulatory affairs, quality operations, due diligence and intellectual property assessment. Joining DZS in October 2017 as an expert consultant in the development and planning of clinical research trials, he has served as part of the team providing insight from preclinical activities through commercialization strategies. Dr. Clayton also has expertise representing sponsors with both the FDA and EMA.

Dr. Clayton has enjoyed an extensive executive career serving in various leadership roles including clinical development, medical affairs, pharmacovigilance and regulatory. He has provided guidance and expertise to programs in many therapeutic areas including cardiovascular, hypertension/renal, metabolic, neurology, oncology, urology and respiratory. In addition, Dr. Clayton has been pivotal in the development, design and execution of NDAs, clinical trials and marketing authorizations for the first products of multiple companies.

Dr. Clayton began his career as a pediatric pulmonologist participating in many industry-sponsored clinical trials. Serving as an attending pulmonologist at The Children’s Hospital of Philadelphia and St. Christopher’s Hospital for Children, he brings to DZS a wealth of knowledge in pediatric, protected populations, and rare and orphan diseases.

With a fellowship in pediatric pulmonology at St. Christopher’s Hospital for Children in Philadelphia, Dr. Clayton has impressive credentials. For his residency, he served at the Medical Center of Delaware, with an internship at the Delaware Valley Medical Center. He received his DO from the Philadelphia College of Osteopathic Medicine.

Education and Memberships

  • Doctor of Osteopathic Medicine, Philadelphia College of Osteopathic Medicine, Philadelphia, PA (1988)
  • BA, Biology, La Salle College, Philadelphia, PA, (1983)
  • Fellow, American Academy of Pediatrics
  • Fellow, American College of Osteopathic Pediatricians
  • American Thoracic Society
  • American Osteopathic Association