San Francisco Forensic Psychologist & Expert Witness for California Attorneys
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Forensic Evaluations for Criminal & Civil Proceedings
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Expert Witness Testimony & Depositions
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Attorney Consultation & Case Strategy
Attorneys working on complex criminal, civil, or administrative matters retain Dr. Yan Chan, Psy.D. (CA PSY 27283) for clear, defensible forensic psychological opinions. Based in San Francisco and available throughout California, Dr. Chan provides forensic evaluations and expert witness testimony that withstand cross-examination.
Dr. Chan brings extensive experience from high-stakes cases including competency hearings, insanity defenses, SVP proceedings, violence risk assessments, and civil litigation. His work includes a former role with the Board of Parole's Forensic Assessment Division and an APA-accredited internship at San Quentin State Prison. He is court-appointed in jurisdictions throughout California and privately retained by both defense and prosecution counsel.
Reports are thorough, timely, and written with litigation in mind. Services available in English and Chinese.
“I have practiced criminal defense for over four decades and have dealt with a number of psychologists and psychiatrists. I was immediately impressed by Dr. Chan’s attention to detail, thoughtful analysis and persuasive arguments. He has been my go-to professional for several years. I would strongly encourage anyone to utilize his services.”
“Dr. Chan was very conscientious and thorough. He produced a report that was quite thorough and well-reasoned. He was clearly engaged with this process—and it showed in the high quality of the written report he delivered to the court on time. I do without reservation give Dr. Chan my heartiest recommendation. He is a Top Doc in his field.”
What Attorneys Say
“Dr. Chan’s thoughtful analysis helped us make great advances in the case and it would be my pleasure to work with him again in future cases.”
