Marcy Mann was appointed Associate Head for Academic Affairs in 2011.   She has been a division head at three schools, as Upper School Head at Nightingale-Bamford and as Middle School Director at The Calhoun School and The Hackley School.  She holds an advanced degree in Developmental Psychology from Columbia University, and has attended the Principal's Institute at Harvard Graduate School of Education.    She is a Associate Director of the New York State Association of Independent Schools Emerging Leaders Institute, a 2-year program that helps cultivate and train future independent school leaders.   

Dania Nauholnyk was appointed Dean of Middle School Student Life in 2016.   A native New Yorker, she received both her B.S. and her M.A. from New York University.   She has taught middle school science at Professional Children's School since 1992.

Marcy Mann was appointed Associate Head for Academic Affairs in 2011.   She has been a division head at three schools, as Upper School Head at Nightingale-Bamford and as Middle School Director at The Calhoun School and The Hackley School.  She holds an advanced degree in Developmental Psychology from Columbia University, and has attended the Principal's Institute at Harvard Graduate School of Education.    She is a Associate Director of the New York State Association of Independent Schools Emerging Leaders Institute, a 2-year program that helps cultivate and train future independent school leaders.   

William Hirt was appointed College Advisor in 2010.   Mr. Hirt earned a B.A. and a B.S. from the University of Minnesota.  He spent a year as a Peace Corps member in Cameroon before earning an M.A. in Education from Columbia University.  He joined the Professional Children's School History Dept. in 1989.

Dania Nauholnyk was appointed Dean of Middle School Student Life in 2016.   A native New Yorker, she received both her B.S. and her M.A. from New York University.   She has taught middle school science at Professional Children's School since 1992.