Meet Our Professionals

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, Cupertino, and Burlingame) and Southern California (Los Angeles and Torrance).    

We can help.

(925) 939-7500 or (310) 478-6505 info@summitcenter.us

Daniel B. Peters, Ph.D. Executive Director, Co-Founder Licensed Psychologist, PSY 16823

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Susan Daniels, Ph.D.

Educational Director,

Co-Founder, Professor and Educational Consultant

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Stephen H. Chou, Psy.D.

Director of Training and Research

Licensed Psychologist,

PSY 19254

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Michelle L. Freeman, Psy.D.

Assessment Director

Neuropsychologist,

PSY 23888

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Northern California: Evaluations

Gabriela Bronson-Castain Gabriela Bronson-Castain, Psy.D.

Licensed Psychologist,

PSY 23904

Walnut Creek

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Katherine Eng Katherine Eng, Ph.D.

Licensed Psychologist,

PSY 21108

Walnut Creek

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Lisa Hilley, Ph.D.

Licensed Psychologist,

PSY 20617

Walnut Creek

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Jeannie M. Lopez, Ph.D.

Clinical Psychologist/

Neuropsychologist,

PSY 18357

Walnut Creek

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Aileen Mosig, Psy.D.

Licensed Psychologist,

PSY 26287

Cupertino

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Lisa White, Ph.D.

Licensed Psychologist,

PSY 26400

Walnut Creek

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Southern California: Evaluations

Lisa L. Hancock, Ph.D.

Evaluator

Registered Psychological Assistant

Supervised by Lesli Preuss, Ph.D., PSY 23829

Los Angeles, Torrance

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Lesli Preuss, Ph.D.

Licensed Psychologist, PSY 23829

Consultant/Supervisor

Los Angeles

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Northern California: Therapy & Consultation

Ginny Ritchey, Ph.D.

Clinical Psychologist, PSY 26238

Walnut Creek

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Tami Boulet, LCSW

Licensed Clinical Social Worker,

LCS12190

Walnut Creek, Napa

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Kathleen D. Crombie, M.A.,M.Ed.

Parent Consultant

SENG Parent Group Facilitator and Trainer

Walnut Creek

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Southern California: Therapy & Consultation

Lisa L. Hancock

Registered Psychological Assistant

Supervised by Lesli Preuss, Ph.D., PSY 23829

Torrance

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Paula Wilkes, Ph.D.

Coach for Gifted Children and Adults

Los Angeles

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Northern California: Educational Services

Danielle Jaynes

Educational Specialist

Walnut Creek

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Deanna M. Kim, M.Ed.

Educational Therapist

Walnut Creek

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Nancy Knop, Ph.D., E.T.

Educational Therapist

Walnut Creek

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Southern California: Educational Services

Melanie Prager, J.D., C.P.E.

Parent Educator

Los Angeles

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Northern California: Doctoral Training Program

Charlotte Beard

Research Associate

Walnut Creek

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Ellena Chen

Psychological Assistant, PSB 94022337

Doctoral Trainee

Walnut Creek

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Administrative Team

Alyssa Handley

Office Manager

Scheduling Coordinator

scheduling@summitcenter.us

Michelle Mortara

New Client Coordinator

info@summitcenter.us

Shelly Jeffra

Billing Coordinator

billing@summitcenter.us