Jennifer DeFeo, PhD

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About Jennifer DeFeo, PhD

Dr. Jennifer DeFeo, graduated with her Master’s Degree in Clinical Psychology (Marriage and Family Therapy) from Antioch University, Santa Barbara in 2002 and Doctorate of Philosophy in Clinical Psychology with a Health Track from the California School of Professional Psychology (Alliant) in 2008.

Dr. DeFeo has specialized in working with the severely mentally ill populations in both inpatient and outpatient care, as well as in the New York State psychiatric hospital system, and multiple forensic settings. Dr. DeFeo’s specialty additionally extends to at-risk youth, children and adolescents, family, gangs, LGBT, and HIV/AIDS populations. Dr. DeFeo presently has a private practice in Irvine, California where she serves the severely mentally ill, adolescent male, men’s issues, LGBT, depressive and anxiety populations to name a few.


Dr. DeFeo is noted as one of the leading experts of the DSM-5 and ICD-10 in the State of California. She has conducted over 75 state, national, and international training's on the topic. Dr. DeFeo was the highlighted presenter at the 18th Annual International Violence, Abuse, and Trauma Conference (IVAT) in San Diego in September, 2013, the 18th Annual IVAT Conference in Honolulu, Hawaii in March, 2014, and the Illinois American Association for Marriage and Family Therapy Annual Conference in Naperville, Illinois to conduct a full 7 hour workshop to educate Clinical Psychologists, Social Workers, Marriage and Family Therapists, Psychiatrists, and Medical Doctors/Professionals on the DSM-5 and ICD-10 diagnostic systems. Additionally, Dr. DeFeo has  worked with the Mexican Board of Professionals to institute the DSM-5 into the Mexican Higher Education Institutions. Dr. DeFeo also has presented at the First Annual Latino-American Conference in Buenos Aires, Argentina, training Psychologists from Argentina, Panama, Chile, and Ecuador on the DSM-5 and ICD-10 Systems in October, 2014 and was a keynote speaker and workshop presenter for the 4th International Neurology and Therapeutics conference held in Rome, Italy in July, 2015 and the 20th Annual International Violence, Abuse, and Trauma Conference (IVAT) in San Diego in September, 2015.  Dr. DeFeo presented on Neurocognitive Disorders and Marital and Relationship Rape in Heterosexual, Lesbian, Gay, Bisexual, and Transgender relationships, respectively.


Dr. DeFeo presently is a California licensed psychologist, Distinguished Professor of Psychology, and Associate Chair for the Department of Marriage and Family Therapy for the Chicago School of Professional Psychology in Irvine, California where she has been working since 2010. Dr. DeFeo is also a senior reviewer and editor for the Journal of Psychiatry and the Journal of Hispanic Higher Education, and the Chair of the CARE Program for the California Psychological Association. Dr. DeFeo also has multiple publications in the Journal of Child Sexual Abuse, and other prominent psychological journals. 

Curriculum Vitae

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