Our research centers offer professional and experienced staff including:
- Board Certified Physicians
- Registered Nurses
- Certified Clinical Research Coordinators
- Certified Lab Technicians
- Medical Assistants
- Support Personnel
Jerry C. Steiert, MD, Principal Investigator
Dr. Steiert has worked in clinical research since 2001 and has served as Principal Investigator at Summit Research Network since 2004. He has been Principal Investigator on a wide variety of studies in various indications, including depression, bipolar disorder, smoking cessation, alcohol dependence, ADHD and insomnia. Dr. Steiert is board certified in Psychiatry with the American Board of Psychiatry and Neurology.
Claire Waltman, MD, Principal Investigator
Dr. Waltman has worked in clinical research since 1995. Her experience includes research fellowships at the National Institute on Aging and Johns Hopkins. She has served as Principal Investigator on studies since 1999 and joined Summit Research Network in 2006. She is board certified in Endocrinology and Metabolism as well as Internal Medicine.
Supriya Kang, MD, Sub-Investigator/Rater/Diagnostician
Dr. Kang has worked in clinical research since 2001 and joined Summit Research Network in 2011. Her experience includes a clinical research fellowship at Stanford University School of Medicine, biopharmaceutical research at Deltagen, Inc and she has served on an Independent Review Board during her residency to ensure safety in clinical research. She is board certified in Psychiatry with the American Board of Psychiatry and Neurology.
Benjamin Dobbeck, PsyD, Principal Investigator/Rater/Diagnostician
Dr. Dobbeck, clinical psychologist, has worked in clinical research since 1999, including 5 years with Summit Research Network (Oregon) Inc. He joined the Summit Seattle team in 2008. While working mostly with adults, he also has considerable experience working with pediatric and adolescent populations. Dr. Dobbeck is licensed in both Oregon and Washington.
Laurel Leigh, RN, MA, MS, MFT, Rater/Diagnostician
Laurel Leigh has worked as a psychometrician and researcher since 1995 at Summit Research Network. She has evaluated patients for many kinds of studies including depression, anxiety, panic, ADHD, PTSD, social anxiety, smoking cessation, and insomnia disorders.
Kathryn Moser, MS, PA-C, Sub-Investigator/Diagnostician
Kathryn Moser has worked in clinical research since 2005. She has evaluated patients for various studies with depression, bipolar disorder, ADHD, anxiety, PTSD, insomnia, hypertension, diabetes, migraines, osteoarthritis, and fibromyalgia. She previously worked in Family Practice Medicine prior to entering the field of clinical research. She joined the Summit team in 2011. She is certified with the NCCPA, the national certifying organization for Physician Assistants.


