Meet Our Team
All Summit Center professionals believe that building trusting relationships with our clients is the foundation of our work, and we are dedicated to focusing on a strengths-based approach to help our clients reach their fullest developmental potential.
Our talented and experienced doctors, evaluators, and other service providers work out of our offices in Northern California (Walnut Creek) and Southern California (Torrance).
Michelle L. Freeman, Psy.D.
Associate Director
Director of Assessment
Neuropsychologist, PSY 23888
Evaluations
Katherine Eng, Ph.D.
Licensed Psychologist,
PSY 21108
Research Coordinator
Supervising Psychologist
Walnut Creek
Lisa L. Hancock, Ph.D., MBA
Licensed Clinical Psychologist
CA – PSY 31333 / NV – PY1035
Certified Autism Specialist
Torrance
Amy Parlin Feldman, M.Ed.
Licensed Educational Psychologist
LEP #3900
Evaluator
Walnut Creek
Jeannie M. Lopez, Ph.D.
Licensed Psychologist/
Neuropsychologist,
PSY 18357
Walnut Creek
Rupa Robbins, Ph.D.
Licensed Psychologist,
PSY 31111
Group Therapy Coordinator
Walnut Creek
Lisa White, Ph.D.
Licensed Psychologist,
PSY 26400
Supervising Psychologist
Walnut Creek
Brennan Whitley, Psy.D.
Licensed Psychologist,
PSY31143
Co-Chair, D&E Committee
Walnut Creek
Counseling & Consultations
Kathleen D. Crombie, M.A.,M.Ed.
Parent Consultant
SENG Parent Group Facilitator and Trainer
Walnut Creek
Melanie Hayes, Ed.D.
Associate Marriage & Family Therapist
Supervised by Dr. Gabriela Bronson-Castain, PSY 23904
Walnut Creek
Lisa White, Ph.D.
Licensed Psychologist,
PSY 26400
Supervising Psychologist
Walnut Creek
Educational Services
Training Program
Cyrell Roberson, Ph.D.
Credentialed School Psychologist
Psychological Assistant, PSB 94024338
Supervised by Katherine Eng, Ph.D., PSY 21108
Walnut Creek
Jillian Thrall, M.S.
Practicum Trainee
Supervised by Dr. Katherine Eng, PSY 21108
Walnut Creek
