Faculty/Staff » Leadership


Joan Mosely

Ms. Mosely joined the College Prep team in February 2017 with over 18 years of experience in the New York City Department of Education. She is an experienced and committed mathematics educator that believes all students can achieve their dreams if given the absolute best support and education. In 2016, she was honored to be inducted into the NYC Leadership Institute, a group of outstanding city agency executives, to lead organizational change initiatives. 

Hayward Aaron
Assistant Principal, Organization
Mr. Aaron brings over 19 years of experience as a master math educator and programmer to College Prep. He hails from the Erasmus campus and is committed to ensuring all students graduate college and career ready. His positive and collaborative spirit are key to helping us continue to excel as a school community.
Heather-Rose Mohagna-Klein
Assistant Principal, Supervision


Mrs. Mohagna-Klein's passion for education can be seen through her active involvement with both staff and students. She specializes in the humanities, and is well versed in instructional development. Her constant energy, enthusiasm, and support for those around her contribute to the overall positive school environment.

Nigel Pestano
Assistant Principal, Supervision


Mr. Pestano brings passion and dedication to College Prep. His focus and dedication to the sciences is evident in his daily interactions with students and staff. He ensures that all students who need intervention receive the highest level of support.