Governance - Brooklyn Prospect Charter School


Brooklyn Prospect Board of Trustees

Juliet Cullen-Cheung


Juliet Cullen-Cheung is President of Steiner NYC, the real estate development arm of Steiner Studios, the 50-acre film and television facility in the Brooklyn Navy Yard, where she oversees real estate development and residential property management.

Prior to joining Steiner in 2006, Juliet worked with the City of New York’s Department of Housing Preservation and Development for five years in affordable housing finance and redevelopment.

She holds an MS in Urban Planning from Columbia University and a BA in Visual Art and Anthropology from the University of Chicago. As a parent of twin students in the network, with experience on several neighborhood boards, including Community Board 2, and having earned an International Baccalaureate diploma through the Chicago Public School system, she shares an affinity with the principles of Brooklyn Prospect Charter School.

Gravelle Pierre



Gravelle Pierre is a Portfolio Manager at Schottenfeld Group – Koyote Capital.

Prior to joining Koyote Capital, Gravelle served as Chief Investment Officer and Founder of Iron Harbor Capital Management, a multi-asset investment firm. Before launching Iron Harbor, Gravelle was a currency and interest rate trader at Goldman Sachs.

In addition to holding a MBA from the Sloan School at MIT, Gravelle holds a B.S. in Systems Engineering from the United States Military Academy-West Point, a M.S. in Organization Leadership from Central Michigan University, and the Chartered Financial Analyst (CFA) designation.

Joanne Garce-Rodriguez


Joanne, an Afro Latina from Washington Heights, is currently the Director of Diversity Initiatives at New York University (NYU). 

She directs an array of programs and services to support students with career exploration, planning, and development. She maintains relationships with campus, employer and global partners to expand the professional prospects of NYU students. Joanne previously lived abroad for 7 years and worked in learning and development. Her higher education experience in the areas of admissions, recruitment, enrollment management, and operations includes Columbia University, INSEAD Business School, Murdoch University and St. Thomas Aquinas College. Joanne has an MA in Higher Education Administration from Teachers College, a BA in Architecture from Barnard College, a Professional in Human Resources Certificate from the HR Certification Institute and is fluent in Spanish.

Maya Petrocelli


Maya Petrocelli lives in Brooklyn, which she has called home for over a decade.

Maya is the founder and principal at Petrocelli Law, PLLC, a law firm that represents clients across various industries with a focus on commercial litigation and general business disputes, as well as Article 78 proceedings against various government agencies. She is a member of the bar in New York. Maya received both the Rising Star and Super Lawyer awards from Super Lawyers NY Metro, as well as the Power Women in Business Award from Star Network. Maya has a JD from Suffolk University Law School, and a Bachelor of Arts in Political Science from Boston College.

Sara Keenan


Sara Keenan is the Managing Director of the Charter Network Accelerator, a national program that supports leadership teams of small charter networks in building the foundation they need to grow with quality.

Sara joined Achievement First in 2008 and worked there for 5 years as the VP of Leadership Development. In that capacity, she managed the professional learning for principals, created leadership pipeline programs, and strengthened the network’s talent strategy and practices. Before working at Achievement First, Sara was a high school English teacher in Wisconsin, a middle school English teacher in Chicago, and a coach, supporting New York City teachers on integrating technology and media into their classrooms. Sara is an alum of Education Pioneers and the Broad Residency. She received her undergraduate degree in English Education from the University of Wisconsin and a masters degree in Media, Culture and Communication from New York University. Sara and her husband, Vance, live in Brooklyn with their two kids.

Sagar Desai


Sagar Desai is a continuous learner who brings more than 15 years of experience in improving education and economic mobility outcomes, having worked with nonprofits, for-profits and NGOs in start-up, scaling and sustaining roles. He is currently an Executive Coach and Senior Consultant for Nonprofit Leaders and Organizations helping clients move towards their hoped-for future and impact.

Previously Sagar was the Managing Director of innovation at StriveTogether, where he built and scaled training programs for community leaders to transform systems in service of more equitable outcomes in communities across the country. Prior to StriveTogether, Sagar was a senior consultant with Ballmer Group, where he built and executed a national strategy to attract and prepare more racially diverse and proximate leaders to work in community partnerships, investing $35 million in national training and fellowship organizations.

Prior to Ballmer Group, Sagar served as a managing director and COO for the Commit Partnership in Dallas. The Partnership is the largest educational intermediary in the country: a coalition of more than 200 organizations serving 750,000 students. In 2019, Sagar launched a statewide campaign to systemically reform how Texas funds public education, resulting in a $6.5 billion increased investment in public education. In addition, he has incubated and scaled regional coalitions to systemically and equitably improve educational outcomes, helping to ensure that every student has an effective educator and that every student graduates college and career ready .

Sagar received his MBA from the Kellogg School of Management at Northwestern University and graduated from the University of Texas at Austin with a Bachelor of Science in electrical engineering. He currently sits on the Board of Govern for America and Brooklyn Prospect Charter Schools.

Theresa Sanchez


Theresa Sanchez has been an administrative professional for almost 19 years with the City of New York, she currently serves as the Operations Coordinator with the Department of Buildings. Theresa has been a member of the BPCS community for 5 years; she became an active PTSO member at WTMS when her oldest daughter started in September 2018. She served as a grade representative for the first 3 years and was voted in as PTSO President which granted her the opportunity to be a part of the President’s Council monthly meetings, partner with our schools principal & faculty, and get a chance to learn more about the community, our purpose and who we are. Theresa is excited to become a member of the board as a PTSO/Parent for our High School.

Brooklyn Prospect Board Meetings

Upcoming Meetings

2023-2024 Dates & Times

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Annual Reports

District-Wide School Safety Plan

Charter Renewal Reports