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Diane Everstine's PhD

Dr. Diana Everstine treats adults, adolescents, children, couples, and families. Her special interests include general psychotherapy, psychological evaluations, post-traumatic reactions, relationship problems, children, adolescents, and adults who have special needs. Diana Everstine is the co-author, with Louis Everstine, of People in Crisis; Psychotherapy and the Law; Sexual Trauma in Children and Adolescents, The Trauma Response: Treatment for Emotional Injury, and Strategic Interventions for People in Crisis, Trauma, and Disaster. Her articles have appeared in American Psychologist, Family Process, and Strategic Interventions for People in Crisis. She was a co-founder of the Emergency Treatment Center, and is a Senior Research Fellow of the Mental Research Institute. Dr. Everstine has many years of experience as a very successful expert witness. Her legal references are available upon request.


Dr. John Camberlain MD

After earning his BS in biology at Stanford University, John Chamberlain entered medical school at the UC San Diego in 1991. After graduating with his MD in 1995, Dr. Chamberlain completed three years of general surgery residency at the University of Michigan Medical Center. In 1998, he transferred to the UC San Francisco residency in adult psychiatry. After his residency, Dr. Chamberlain completed a fellowship in forensic psychiatry at UC San Francisco. During his fellowship, Dr. Chamberlain evaluated defendants for both federal and state courts, performed evaluations at San Quentin, spent time at the medical examiner’s office examining cases of suicide, and completed a research project on attitudes toward physician-assisted suicide.

Following his fellowship, Dr. Chamberlain joined the faculty of the UC San Francisco Department of Psychiatry. He has worked on the inpatient unit, the consultation-liaison service, and the partial hospital program as well as in the outpatient clinics of the Department as a faculty member. Dr. Chamberlain served as Director of the UC San Francisco Adult Consultation Liaison Service. He left this position in July 2004 to become the Assistant Director of the UC San Francisco Program in Psychiatry and the Law. He is responsible for the criminal curriculum for the trainees in this program and also lectures on testamentary capacity, psychological autopsies, and the Americans with Disabilities Act. Dr. Chamberlain continues to perform forensic evaluations related to criminal and civil proceedings. He maintains an outpatient practice in clinical psychiatry.

Dr. Chamberlain helped to develop the risk assessment training program for the UC San Francisco Department of Psychiatry. He has been a part of this program since its inception.


Dr. John M. Greene MD

Dr. Greene is a Board Certified Forensic Psychiatrist. In 2002, completed his forensic training at the Department of Forensic Psychiatry at the University of California, Davis, widely recognized among the nation’s premiere Forensic Psychiatry training programs. At UC Davis, he received extensive exposure to all aspects of Psychiatry and the Law. His training included development of skills relating to the objective assessment of individuals in the legal setting, in comprehensive report writing, and in effective testimony.

Since completing his training, Dr. Greene has evaluated hundreds of individuals in the Bay Area regarding criminal and civil issues. He is highly sought after to evaluate individuals in the criminal setting, addressing issues such as Competency to Stand Trial, the defense of insanity, and violence risk assessment.

Dr. Greene is a Qualified Medical Examiner for California, and performs regular evaluations for Workers’ Compensation. He has provided expert advice for multiple civil cases related to emotional distress and Posttraumatic Stress Disorder, and he regularly assesses individuals for these issues in the legal setting. Dr. Greene also consults on cases regarding workplace issues, such as fitness for duty and risk of violence in the workplace.

Dr. Greene is an Adjunct Clinical Faculty Member at Stanford University, and teaches topics in Forensic Psychiatry to residents in General Psychiatry. He is regularly asked to speak in the Bay Area regarding Psychiatry and the Law, and teaches mental illness topics twice per year to the San Jose Police Department.


Dr. Gregory H. Sancier, PhD

In 1978 Greg became a reserve police officer for the Atherton Police Department and in 1980 he was sworn in as a full-time officer. He applied and was accepted to the Master’s Degree Program at San Jose State University in Clinical Psychology. In 1985 he was hired by the San Jose Police Department while still attending SJSU. In 1989 he earned his Master’s Degree in Clinical Psychology.

Since working for the San Jose Police Department Greg has worked primarily in Patrol, Training, and has worked in a collateral assignment as a Hostage Negotiator where he is now the senior Negotiator on the department with over 25 years experience. In 1992 he enrolled in the Clinical Psychology Doctoral Program at Western Graduate School of Psychology in Palo Alto.

In December of 2002 Greg earned his Ph.D. in Clinical Psychology and later joined the Crisis Management Unit (CMU) where he has been assigned for nearly 8 years. While in the CMU Greg was the coordinator of the Crisis Intervention Team (CIT) and he was a member of the Critical Incident Stress Debriefing Team (CISD).

In 2008 Greg was asked to join the State of California Mental Health Board Advisory Committee against Stigma and Discrimination and in 2009 was asked to join the Board of Directors of the Chicago Professional School of Graduate Psychology in Forensics at their Los Angeles Campus.

Recently Greg opened his own consulting business, which addresses Safety / Security & Health / Wellness.