Our Team
Sunstone Leadership
Manish Agrawal, M.D.
Chief Executive Officer, Co-Founder
Kim Roddy, M.B.A.
Chief Operating Officer, Co-Founder
Rachel Winzer, M.S.
Therapist Program Director
Amy Zuchelkowski M.S, B.S.N, R.N.
Research Director
Our Therapy Team
Mark Bates, Ph.D.
Therapist
Maureen Betz, L.C.S.W.-C
Therapist
Betsy Jenkins, L.C.P.C
Therapist
Jess Jones, L.C.S.W.-C
Therapist
Bob Koffman, M.D., M.P.H.
Therapist and Military Liasion
Norma Mancini Stevens, M.S., L.C.P.C, N.C.C.
Therapist
Shelby Muhammedi, L.C.S.W.
Therapy Fellow
Bill Richards, Ph.D.
Co-founder and Senior Advisor
Our Research Team
Gregory Barber, M.D.
Psychiatrist
Ben Bregman, M.D.
Psychiatrist
Rajan Dunne, D.O.
Psychiatrist
Rebecca Ehrenkranz, Ph.D., MPH
Research Fellow
Jehenifer Fuentes
Medical Assistant
Tary Hanna, M.D.
Clinical Evaluation Specialist
Willie Harrington M.D., M.S.
Lead Clinical Evaluation Specialist
Celia Leeks
Clinical Research Manager
Jamie Nathlar
Clinical Research Coordinator
Renuka Surujnarain
Clinical Research Coordinator
Alex Tribo
Clinical Research Coordinator
Our Operations Team
Eakta Agrawal
Healthcloud Lead
Durga Bagve
Practice Administrator
Eren Bilgin
Technical Project Manager
Jim Byrd
VP Finance
Eloise Cherian
Communications Coordinator
Michelle Childers
Human Resources Manager
Maricel Claro
Senior Accountant
Sahar Din
Bookkeeper
Marne Esselman
Executive Assistant
Michael Huneke
Software Engineer
Christina Kappil
Product Manager, Patient and Therapist Experience
Chris Kritzman
Regulatory & Data Specialist
Kam Lee
Chief Technology Officer
Lindsay Ozyck
Chief of Staff
Christopher Pereira
Learning Manager
Michael Pollack, M.S.
Director of Business Development
Mehwish Sajjad
Clinical Scheduling Analyst
Joel Vincent MPH, CCRC
Regulatory Affairs Specialist
Laura Volovski
Marketing Communications Manager
Sunstone is grounded in relationships. Because we are all supporting each other’s growth, staff experience is a vital part of patient experience. And how we trust one another is integral.
— Manish Agrawal, Sunstone CEO
Join the Sunstone Team
In service to Sunstone’s vision of Whole Person Healing for All, all of our team members play a key role in Sunstone’s ability to deliver on its vision with Love and Rigor. Explore our open positions.