Photo of a laptop and stethoscopePhoto of a surgeonPhoto of a vitals monitor


Photo of Robert Trestman, M.D., Ph.D.

Robert Trestman, M.D., Ph.D.

Executive Director

Dr. Robert L. Trestman is a professor of medicine, psychiatry, and nursing, and executive director of Correctional Managed Health Care at UConn Health. Dr. Trestman received his Ph.D. in psychology and his M.D. from the University of Tennessee, and trained in psychiatry and neurobiology at the Mt. Sinai School of Medicine. He has been clinical vice chair of psychiatry at the Mount Sinai Medical Center in New York and at UConn Health. Dr. Trestman has studied the neurobiology and treatment of people with severe mood and personality disorders, and currently conducts translational research on correctional health. He has published over 100 articles and book chapters, consults to the National Institute of Mental Health, the Substance Abuse and Mental Health Services Administration, several branches of the U.S. Department of Justice, and is chair of the research committee of the American Academy of Psychiatry and the Law.

Photo of Johnny Wu, M.D. 

Johnny Wu, M.D.

Director of Medical Services

Dr. Johnny Wu is board-certified in internal medicine and licensed to practice medicine in Connecticut, New Jersey and Washington State. He is a graduate of Johns Hopkins University, where he completed his B.A. in biology. He then went on to St. Georgeís University School of Medicine and completed his residency in internal medicine at Trinitas Hospital of Seton Hall University School of Graduate Medical Education.

In addition to his strong educational credentials, Dr. Wu has a broad base of clinical experience and a strong background in correctional health care delivery. He is coming to us from New Jersey where he was a regional medical director for the University of Medicine and Dentistry of New Jersey (UMDNJ) University Correctional Health Care program since 2008.This program between UMDNJ and the NJ Department of Corrections is in many ways a parallel to our own. He developed wide expertise in multiple areas, including utilization management and telemedicine. He also has prior experience as a medical director in the Washington State Department of Corrections. Dr. Wu has a reputation for hands on clinical involvement and spearheading quality improvement initiatives.

Photo of Robert Berger, M.D.

Robert Berger, M.D.

Statewide Director of Mental Health and Psychiatric Services

Dr. Berger joined Correctional Managed Health Care April 2007 as director of psychiatry. In that capacity, he provides supervision to CMHC psychiatrists and mental health A.P.R.N.s and oversees statewide psychiatric services. In September 2009, Dr. Berger assumed responsibility for oversight of all mental health services statewide as director of mental health and psychiatric services. Dr. Berger received his training in psychiatry and forensic psychiatry at New York University Medical Center and Bellevue Hospital where he later served as director of forensic psychiatry, co-director of the psychiatry and law fellowship training program, and director of the assisted outpatient treatment programs for New York County and Rikers Island. He has published in the area of the interface of psychiatry and the law and has served as psychiatric consultant to the Office of the District Attorney in multiple counties, the Office of United States Attorney, the United States Secret Service, the Legal Aid Society, Federal Defender Services, and other agencies. Dr. Berger is board certified in psychiatry and forensic psychiatry and is clinical professor of psychiatry at New York University School of Medicine.

Photo of Mary Ellen Castro, A.P.R.N.

Mary Ellen Castro, D.N.P., A.P.R.N.

Assistant Director of Clinical Services

Dr. Mary Ellen Castro is board-certified as an Adult-Gerontology Primary Care Nurse Practitioner and Adult-Gerontology Clinical Nurse Specialist.  She earned her DNP from the University of Connecticut and MSN from Western Connecticut State University.  In addition, she received her post master's Gerontological Nurse Pactitioner Certificate from Yale School of Nursing and post masterís Adult Nurse Practitioner Certificate from Western Connecticut State University.  She has worked in nonprofit and for profit settings and has diverse experience in primary, chronic, and acute health care.  Former roles at CMHC include Director of Medical Quality & Resource Management and Assistant Director of Nursing & Patient Care Services.
Photo of Kathy Coleman, R.N., M.S.

Kathy Coleman, R.N., M.S.

Director of Quality Resource Management
Director of Adolescent Services

Ms. Coleman has been an employee of UConn Health since 1989, and has been affiliated with CMHC since 1999. She is an R.N. with a masterís degree in health care administration from the Hartford Graduate Center and has considerable clinical, administrative, training, and quality improvement experience in health care, juvenile justice and correctional settings, with both child, adolescent and adult populations. She has been involved in various initiatives with CMHC including mental health, training, quality improvement, health records and most recently adolescent services. She has functioned as the lead CMHC contractor for the court support services division health services quality improvement contract for the juvenile detention system since July of 2000. She is a certified correctional health care professional.

Photo of Gail Johnson, M.B.A.

Gail Johnson, M.B.A.

Director of Administrative Services

Ms. Johnson is the director of administrative services for Correctional Managed Health Care. She is responsible for all administrative functions, including fiscal management, information technology and coordination of human resources and other integrated functions with UConn Health. Prior to joining UConn Health in October 2006, Ms. Johnson worked as the director of Human Resources for the Hartford Board of Education. Prior to her tenure with the Hartford Public Schools, Ms. Johnson held a range of senior management positions with Aetna, in Corporate Planning, as head of the Defined Benefits Business Unit and as vice president of customer service for financial services. Ms. Johnson holds a Bachelor's degree and a Master's degree in Business Administration from the University of Connecticut. She has served on the board of the Hartford Community Mental Health Center and just completed her six year term as a board member of the YWCA. She currently serves as a member of the Finance Committee of the Metro Hartford Alliance.

Photo of Michael Nicholson, R.N., M.B.A.

Michael Nicholson, R.N., M.B.A.

Director of Quality Resource Management
Director of Education and Training

Mr. Nicholson is the director of education and training at CMHC, which he joined in 2006. He was appointed director in 2007.

His diverse experiences include consultative risk management, active duty and reserve U.S. Air Force officership, flight nursing and flight clinical coordination, critical care and emergency nursing experiences.

He earned his masterís degree in Business Administration from Rensselaer Polytechnic Institute and his bachelorís degree in Nursing from the University of Hartford. Certifications include American Heart Association faculty appointment, State of Connecticut train-the-trainer certification, U.S. Air Force trainer and certifier certification, American Heart Association core instructor certification, basic life support instructorship and advanced cardiac life support certification.

Photo of Connie Weiskopf, Ph.D., A.P.R.N.

Connie Weiskopf, Ph.D., A.P.R.N.

Director of Nursing and Patient Care Services

Dr. Weiskopf joined UConn Health in 1979 as a member of the psychiatric consultation liaison team. In 1985, she became the director of psychiatric nursing, and from 1988-1999 served as the division director for medical-surgical and psychiatric nursing. In that role she worked closely with the Connecticut DOC to develop the John Dempsey Hospital medical-surgical prison unit. In 2000, she joined CMHC and is now director of nursing and patient care services where she is responsible for selected operations, nursing clinical practice for over 400 nurses who deliver care to DOC inmates in prisons and jails throughout the state, coordinates the development of policies/procedures, and national accreditations. Dr. Weiskopf earned a bachelor's degree in nursing science from Villanova University, a masterís Degree in psychiatric nursing from the University of Maryland, and a Ph.D. in nursing from the University of Connecticut. She holds the appointment of clinical associate III at the University of Connecticut School of Nursing, is a certified correctional health care professional, is nationally certified as a clinical nurse specialist in adult psychiatric and mental health and was past president of the International Association of Forensic Nurses, Connecticut chapter. Dr. Weiskopf has a special interest in creating caring environments in health care delivery, and has published on correctional nursing, psychosocial implications in critical care, and issues related to liaison psychiatry.

Photo of Robyn Wahl, PharmD, M.B.A. 

Robyn Wahl, PharmD, M.B.A.

Associate Director of Pharmacy

Dr. Robyn Wahl joined Correctional Managed Health Care in 2007 as Pharmacy Operations Manager. In 2013 she became the Associate Director of Pharmacy where she is responsible for selected pharmacy operations and clinical pharmacy programs.

Her experience in diverse areas of pharmacy practice includes infusion pharmacy, long term care, public health, acute care, community pharmacy, integrated health systems and correctional pharmacy.

Robyn earned her Doctor of Pharmacy from the University of Florida, her Masterís degree in Business Administration from the University of Hartford, and her Bachelorís degree in Pharmacy from the University of Connecticut. She is adjun