Our Head of School
Head of School, Ramón Javier joined GJA with nearly two decades of leadership experience at some of the most pre-eminent independent schools and educational access programs in New York City. Prior to joining GJA, he served as the Director of Equity and Inclusion at Trinity School, where he acted as the senior administrator responsible for creating an inclusive environment grounded in academic rigor and equitable practices, while working closely with the Board of Trustees. Prior to Trinity, he was the Director of Diversity and Equity at Packer Collegiate Institute in Brooklyn. Ramón served as one of two founding mental health counselors at KIPP NYC College Prep and before that worked at the premier educational access programs, The TEAK Fellowship, and Prep for Prep.
As a native New Yorker and Prep for Prep alumnus himself, Ramón comes to GJA with an intimate knowledge of the enormous potential of middle school boys as well as a deep understanding of their needs and the challenges they and their families face.
A graduate of Williams College, Ramón earned a Masters of Education (Ed.M.) and M.A. in Psychological Counseling from Teachers College, Columbia University.

Board of Trustees
The GJA Board of Trustees is a dedicated group of professionals that guides the school as it continues to grow and thrive.
- Steve Lipman, Board Chair
Managing Director, Rothschild & Co.
- Elisabeth Hutchins, Vice Chair
Educator, Former Teacher, GJA
- Stephan Kuppenheimer, Treasurer
Managing Director, GSO Capital, Blackstone
- Michael Carroll, Secretary
Freelance Writer
- Judy Bigelow
Founder, Fordham Street Foundation
- Marjorie Croes Silverman, PHD
Professor of Psychology and Former Dean, Barnard College
- Robert Camacho
Senior Managing Director, Blackstone
- Brother Brian Carty, FSC
Founder, De La Salle Academy & George Jackson Academy
- Timothy Croak
Managing Director, USB Financial Services, Inc., GJA Teacher
- Ramón Javier, ex officio
Head of School, GJA
- Phineas Lambert
Publisher and Director, Guernica Magazine
- Jon Lindsey
Partner, Major Lindsey & Africa, GJA Teacher
- Paul S. Levy
Managing Director: JLL Partners
- Walfrido Martinez
Managing Partner, Hunton Andrews Kurth
- Nate Norstrud
Director of Strategy, New York Life
- David O’ Halloran, PhD
Head of School, St. David’s School
- Rafael Padilla, MD
Anesthesiologist
- Eric Rothfeld
CEO, REI Capital, LLC
- Paul Williams
Corporate Director, MLA Global