Our Staff

Photo of Leon Hoffman, MD
Leon Hoffman, MD

Leon Hoffman has been Director or co-Director of the Pacella Parent Child Center since its inception in 1991. He has long experience working with parents and their young children and in supervising professionals who work with parents and children.  He is the co-director of the Research Center at NYPSI, serves as Chief Psychiatrist at the West End Day School in New York City and is an Assistant Lecturer at the Mt. Sinai School of Medicine.  He has published widely concerning work with children and families.

Selected publications:


Photo of May Sickles, MD
May Sickles, MD

May Sickles is the Associate Director of the Pacella Parent Child Center. She has been on the staff of the Pacella Parent Child Center and led groups since 1995. She sees children and parents in her private practice and has expertise in parent guidance.