Rachael Michaels, MD

Medical Director at Pesach Tikvah
Dr. Rachel Michaels joined Pesach Tikvah in 1998. Dr. Michaels has expertise in treating children and adults with various behavioral health issues including depression, anxiety, OCD, ADHD, bipolar disorder, schizophrenia, and autism. She did her undergraduate work at the University of Chicago and attended medical school at the SUNY Health Science Center in Brooklyn. She completed her psychiatry residency at Maimonides Medical Center, where she served as the Chief Resident. Dr. Michaels has over 25 years of experience in inpatient settings, day treatment programs, and outpatient clinics. She has expertise in women's mental health and in the treatment of children and adults with developmental disabilities.

Andrew Kwok, MD

Medical Director of Hearts and Minds
Dr. Kwok has experience treating addiction with co-occurring psychiatric disorders. He studied medicine at The University of Toledo College of Medicine and residency in general/adult psychiatry at Rutgers Robert Wood Johnson Medical School. Dr. Kwok is also a clinical instructor at the New York Presbyterian Brooklyn Methodist Hospital in Park Slope.

Alex Posell, MD

In 2013, Alexander Posell, MD graduated Phi Beta Kappa and summa cum laude from Occidental College with honors in psychology; he then went on to study medicine at the University of Southern California (Los Angeles, CA) and residency in general/adult psychiatry at SUNY Downstate. He is currently pursuing a fellowship in forensic psychiatry through New York University, and has conducted numerous forensic interviews with asylum applicants via Physicians for Human Rights.

At SUNY Downstate, Dr. Posell was a chief resident, co-wrote a book chapter on geriatric psychosis with Dr. Michael Reinhardt, and published on the psychiatric effects of hyperparathyroidism.

Debbie Edelman, MD

Dr. Edelman is Board Certified in Psychiatry. Her residency was at the Medical College of Georgia and at SUNY Downstate. She completed her Child and Adolescent Psychiatry fellowship at SUNY Downstate. She has practiced at inpatient child and adolescent psychiatric units, adult and child academic outpatient treatment clinics, emergency psychiatric treatment, and community psychiatry.

Dr. Edelman has more than seven years of experience treating patients with depression, anxiety, OCD, Bipolar disorder, ADHD, learning disorders, substance use disorders, PTSD, and schizophrenia. She uses pharmacotherapy along with CBT, psychodynamic, supportive and interpersonal therapies.

Ekaterina Osman, DO

Dr. Osman is a double board-certified physician in Child and Adolescent Psychiatry as well as Adult Psychiatry. Dr. Osman graduated from Virginia College of Osteopathic Medicine and completed her internship in Family Medicine at Beth Israel in New York, her Adult Psychiatry residency at Einstein Medical Center in Philadelphia, and her Child Psychiatry Fellowship at NYU. In addition to working at Pesach Tikvah, Dr. Osman is also a Consult Liaison attending at SUNY Downstate Medical Center.

Martin Olanoff, MD

Dr. Martin Olanoff joined Pesach Tikvah in 2014. He was instrumental in creating Pesach Tikvah's psychiatry services at the original Borough Park clinic. He has been practicing psychiatry for over fifty years. He specializes in treating adults with all issues, including the severely and persistently mentally ill. He is a graduate of Boston University Medical School. He did his residence in Psychiatry and Family Therapy at Albert Einstein College of Medicine of Yeshiva University, Montefiore Medical Center.

Sapir Edalati, PMHNP-DNP

Dr. Sapir Edalati, PMHNP-DNP, is a dedicated and compassionate Doctor of Psychiatric Mental Health Nurse Practitioner, specializing in adolescent psychiatry. With a wealth of experience and expertise, Dr. Edalati has been serving the community at Pesach Tikvah for several years, joining the team in December 2021. Before joining Pesach Tikvah, Dr. Edalati completed a rigorous residency program through Columbia University's Doctorate program, focusing on outpatient adolescent psychiatry. This experience provided a solid foundation for her approach to patient care.

David Binyaminov, PMHNP

David Binyaminov is a board certified Psychiatric Mental Health Nurse Practitioner. He joined Pesach Tikvah in 2023. He focuses primarily on medication management. David Binyaminov also has knowledge in supportive and person-centered psychotherapy. He specializes in treating anxiety, depression, ADHD, and sleep issues. Prior to Pesach Tikvah, David Binyaminov worked as a neurosurgical ICU nurse at Mount Sinai Hospital. He did his clinical internship at Rivia Mind. He is a graduate of New York University.