Dr. Leiderman received a doctorate and masters degrees in Clinical Psychology from the Ferkauf Graduate School of Psychology, Yeshiva University. He is a New York State licensed psychologist and is nationally certified as a group psychotherapist. Dr. Leiderman is also board certified with a Clinical Psychology Specialty Board by the American Board of Professional Psychology and a fellow of the American Academy of Clinical Psychology, the highest credentials of a clinical psychologist. He completed his internship at New York University Medical Center- Bellevue Hospital Center in New York City.
Dr. Leiderman has had a private practice in New York City and Westchester county for many years specializing in the treatment of individuals, couple’s, families and groups. He has subspecialties in family and group psychotherapies as well as neurofeedback. He has treated all age groups and all types of mental health and presenting problems.
He was instrumental in establishing the first bilingual/bicultural mental health treatment program in Westchester County at Saint Vincent Catholic Medical Centers Westchester where he served as the director of the Latino Treatment Services at Saint Vincent’s for almost 16 years. He was the supervisor of a multidisciplinary team providing outpatient bilingual/bicultural mental health and substance abuse treatment. At Saint Vincent’s Hospital he had also served as the director of the doctoral psychology externship program for 12 years, coordinating the doctoral students’ yearly clinical training and supervision including process groups. Dozens of doctoral students graduated from that program. Dr. Leiderman also was the coordinator of the hospital’s Biofeedback/Neurofeedback program.
Dr. Leiderman has also volunteered on many boards and projects throughout the years. In 2009, he was honored by the Mental Health News, Inc. for his many years of service as a member of the Board of Directors. He was influential in developing Salud Mental, the organization’s bilingual and bicultural publication which was in circulation for years. Also in 2009 he was presented the Champion of Children’s award in recognition for his many years of service with Westchester’s children and families from Family Ties of Westchester. He is presently a member of the Board of Directors of the Westchester Group Psychotherapy Society, where he serves as President Elect, before assuming the role as president in June, 2011. Dr. Leiderman is the president of the Coalition for the Advancement of Justice, Inc., a group of governmental, law enforcement and Hispanic not for profit representatives formed to reduce the incidences and causes of crime, violence, and discrimination against Westchester’s most vulnerable Hispanic immigrant population. Dr. Leiderman has also been a member of Congresswoman Nita M. Lowey’s Hispanic Advisory Board for the 18th Congressional District for several years. Since 2003, he has also been serving on the Westchester County Community Services Board focusing on mental health, alcohol and substance abuse and developmental disabilities services and programs and until recently to the Westchester County Hispanic Advisory Board.
Finally, he has published many articles, lectured extensively and made guest appearances on both radio and television on topics related to the mental health and substance abuse treatment interventions.