Faculty & Staff

Photo: Shana Schnur Photography,LLC
Representing a diverse palette of backgrounds and experiences, George Jackson Academy’s teachers, administrators and staff all share a common passion for GJA’s mission and its students.


Name Position Education
Iman Aswad  Math/Music Theory Teacher B.A., Colgate University
Dennis Barnes Math B.S., SUNY Cortland
Leon Bernsdorf Band Teacher The Julliard School
Kyle Chen Latin Teacher B.A., Princeton University

M. Div., Princeton Theological Seminary

Alexey Cheremsky Fencing Master Coach Ukrainian State University of Physical Education and Sport
Karelia Isakir Spanish Teacher
B.A., Binghamton University
M.A. and M.S., SUNY Albany
Max Jacobs Humanities Teacher M.Ed, Rutgers University
Catherine Kemm Humanities B.A., Barnard College, Columbia University 

M.A., Teaching Relay Graduate School of Education 

Molly Klema  

Art Teacher

B.F.A., Pratt Institute   

M.F.A, Seattle University

Douglas Marriner Percussion Teacher B.F.A., The New School       

Master of Music, The Julliard School 

Guy Murolo Science Teacher B.A., Queens College, CUNY

M.A., Queens College, CUNY

Andre Theisen Humanities Teacher B.A., University of Notre Dame
Jeff Tancil Technology Teacher
B.A., Macalester College
M.A., University of Pennsylvania


Name Position Education
Larissa Floy Director of Admission and Enrollment B.A., SUNY New Paltz
Nicole McCabe Associate Head of School B.A., Manhattan College

M.A., Fordham  University

Colleen Powers Director of Student Support and High School Placement B.A., Hamilton College

M.S., Columbia University
Carrie Tatum Director of Advancement B.A., Yale University

M.A., Columbia University

Jay Underwood Head of School B.A.,  Guilford College

Ed.M., Rutgers University


Name Position Education
Michael Clarillo Maintenance Staff
Maria Medrano Cafeteria Staff
Isaac Ortiz Operations Manager
 Julia Sanabria Cafeteria Staff
Marjorie Sinclair Office Manager B.S., Dowling College