Meet the Team

Anish Shah, M.D

Areas of Interest: CNS/Neurological Research

Dr. Shah is the President and CEO of Siyan Clinical Research located in Santa Rosa, CA. Dr. Shah completed his residency at the University of Illi [...]

Dr.Naga Kothapalli, M.D.

Medical/Clinical Director

Dr. Kothapalli, MD currently works as a psychiatric clinical researcher at Siyan Clinical Research. He has extensive clinical research experience in p [...]

Jeannie LeMesurier, PhD.

Jeannie LeMesurier, PhD. is a clinical psychologist, life coach, and motivational speaker. She has over 30 years’ experience working with both child [...]

Amanda Anello

As Project Coordinator for SCR, Amanda’s role is to assist in the coordination and management of the Medication Assisted Treatment p [...]

Aubree Vance Tovrea, LCSW

Aubree Vance Tovrea is a Psychotherapist with over 10 years of experience working with adults struggling with mental health and substance use disorder [...]


Tiffany received both her M.S. in health services administration and B.S. in public administration with a minor in nonprofit management from the Unive [...]

Thomas H O’Donnell, CCAPP / CADC-II

Thomas H O’Donnell is a Substance Use Counselor in the Project Hope Program-Medicated Assisted Treatment here at Siyan. Thomas is a certified CCAPP [...]