Geoff Twitchell
Independent Consultant at G.R. Twitchell, Ph.D., Psychological Consulting | Folsom, California, United States
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Independent Consultant at G.R. Twitchell, Ph.D., Psychological Consulting in March 2020 to Present
Associate at Justice Speakers Institute, LLC in November 2022 to Present
Clinical Psychologist at Kaiser Permanente in January 2023 to Present
Forensic Behavioral Health Division Manager at Sacramento County in July 2021 to April 2022
Director of Treatment and Clinical Services-Probation Department at County of San Diego in September 2013 to February 2020
Lead Clinical Psychologist at Scripps HealthCare in August 2012 to September 2013
Lead Clinical Psychologist at Sharp HealthCare in May 2009 to May 2012
Senior Supervising Psychologist at CDCR in November 2008 to May 2009
Chief, Chemical Dependence Treatment Programs at U.S. Department of Veterans Affairs in August 2002 to November 2008
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David Geffen School of Medicine at UCLA, Postdoctoral Fellow, November 1999 to November 2026
Michigan State University, Doctor of Philosophy (Ph.D.), November 1993 to November 1998
University of Washington, Bachelor of Science (B.S.), November 1985 to November 1989
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Psychotherapy
Psychological Assessment
Clinical
Psychological Testing
Adults
Clinical Research
Clinical Supervision
Budgeting
Teaching Experience
Technical Writing
Group Therapy
Psychology
CBT
DBT
Acceptance and Commitment Therapy
Therapists
Crisis Intervention
Case Managment
Case Management
Behavioral Health
Post Traumatic Stress
Social Services
Dual Diagnosis
Cognition
Psychiatry
Chronic Illness
Clinical Psychology
Program Development
Chemical Dependency
Public Speaking
Program Management
Cognitive Behavioral Therapy (CBT)
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What is Geoff Twitchell email address?
Email Geoff Twitchell at [email protected] and [email protected]. This email is the most updated Geoff Twitchell's email found in 2026.
How to contact Geoff Twitchell?
To contact Geoff Twitchell send an email to [email protected] or [email protected]. (updated on October 12, 2025)
What company does Geoff Twitchell work for?
Geoff Twitchell works for G.R. Twitchell, Ph.D., Psychological Consulting
What is Geoff Twitchell's role at G.R. Twitchell, Ph.D., Psychological Consulting?
Geoff Twitchell is Independent Consultant
What is Geoff Twitchell's Phone Number?
Geoff Twitchell's phone (213) ***-*112
What industry does Geoff Twitchell work in?
Geoff Twitchell works in the Mental Health Care industry.
Geoff Twitchell Email Addresses
Geoff Twitchell Phone Numbers
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