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. Spanish Language and Music, Colgate University
Dennis Barnes Math /Physical Education Teacher B.S. of Education, SUNY Cortland
Leon Bernsdorf Band Teacher The Julliard School
Blaise Haddad Math Teacher B.A. English and Art History, Columbia University
Zachary Herring Science Teacher B.A. Evolutionary Biology, Harvard College
Karelia Isakir Spanish Teacher
Spanish Language and Culture & Cultural Anthropology, Binghamton University
M.A. Education
M.S. Educational Psychology, SUNY Albany
Permanent Certification in Teaching Grades K-12 in NYS
(World Languages-Spanish)
Max Jacobs Humanities Teacher M.Ed in Social Studies Education, Rutgers University
Catherine Kemm Humanities B.A. History, Education Minor Barnard College, Columbia University

M.A. Teaching Relay Graduate School of Education 

Molly Klema  

Art Teacher

M.F.A in Arts Leadership, Seattle University

B.F.A. in Art Education, Pratt Institute

Douglas Marriner Percussion Teacher Artist Diploma, The Julliard School

Master of Music, The Julliard School 

B.F.A., The New School for Jazz and Contemporary Music

Junior Academy, Royal Academy of Music, London, UK

Catherine Saterson Latin Teacher B.A. Classics and Creative Writing (Poetry) Minor, Princeton University
Andre Theisen Humanities Teacher B.A., English Literature, University of Notre Dame
Jeff Tancil Technology Teacher
B.A., Macalester College
M.A., University of Pennsylvania


Name Position Education
Larissa Floy Director of Admissions and Enrollment B.A., SUNY New Paltz
Nicole McCabe Academic Dean B.A., Manhattan College

M.A., Fordham  University

Colleen Powers Director of Counseling and Placement B.A. Psychology, Hamilton College

M.S. Social Work, Columbia University
Carrie Tatum Director of Development B.A. Yale University M.A. Columbia University
Jay Underwood Head of School B.A.,  Guilford College Ed.M., Rutgers University


Name Position Education
Marianna Alvarez Cafeteria Staff
Michael Clarillo Maintenance Staff
Antonella Dominguez External Relations Manager B.A. Anthropology B.A. Asian Languages & Civilizations, Amherst College
Jenny Marte Office Manager Lehman College, CUNY
Isaac Ortiz Operations Manager
Lota Salomia Business Manager
Tina Maldonado Cafeteria Staff