Heather Twedell, PsyD

 Dr. "T"

Licensed Psychologist/Consultant

Cognitive Behavioral Therapist

Dr. Heather Twedell received her doctorate in forensic psychology from Alliant University in 2011.  She is a licensed psychologist in the states of Texas and California.  Dr. Twedell's work with first responders, along with her family ties to law enforcement, gives her a strong appreciation and understanding of the culture and stressors specific to first responders. She has developed a diverse and unique set of skills working in various clinical settings, including emergency departments, outpatient hospital programs, neuropsychology rehabilitation centers, corrections, and with law enforcement and fire departments.   During her time with the Los Angeles County Sheriff's Department, Dr. Twedell provided critical incident debriefs, individual, couples and family therapy for sworn and civilian employees, co-developed and provided trainings, conducted inter-Department research, provided consultations for the Department's Peer Support Program and consulted with various bureaus including the Special Victims Bureau.   Dr. Twedell takes great pride in treating individuals with respect and compassion while providing therapeutic tools that are relevant and effective.  Current treatment services include individual, couples, and family therapy, group therapy, critical incident debriefing,  psychological crisis intervention, trainings and consultations. She is committed to working collaboratively with individuals to facilitate positive change and growth. 


California School of Forensic Studies (CSFS) at Alliant International University, Los Angeles.

            Program: Psy.D. in Forensic Psychology (2011)

            Program: M.A. in Forensic Psychology (2009)

Chapman University

            Major: B.A. in Psychology (2007)


Peace Officer Standard & Training (POST) Certification

FBI Crisis Negotiations Certification

Institute of Criminal Investigation POST Instruction Certification



2018 - Present

Private Practice Licensed Psychologist/Consultant - F1RST

OurWatch Licensed Psychologist

Various Presentations to First Responder Departments,  Associations and Private Entities


St. Joseph Hospital

Outpatient Behavioral Health - Licensed Psychologist

Emergency Department - Licensed Psychologist

Co-developed Evidenced Based Treatment Curriculum for IOP-PHP


2009 - 2012

Law Enforcement Psychologist, Los Angeles Sheriff’s Department - Employee Support Services Bureau (ESSB)

Co-Developed Department Wide Mental Health Training

Peer Support Program Assistance

Inter-Department Research

Post-Doctoral Fellowship



 - St. Joseph Hospital Behavioral Health

 - Long Beach Memorial Behavioral Health and Neuropsychological Rehabilitation

 - California Women's State Prison, Chowchilla, CA

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F1RST - First Responder Stress & Trauma

Heather Twedell, PsyD