Our Staff

Executive Service Corps- South Florida’s staff has extensive experience in the nonprofit sector. It serves as a support for the Board of Directors, Senior Consultants, and the nonprofits we serve.



Joel Greenbaum

Joel Greenbaum,  President and CEO

Joel Greenbaum brings a diversity of both private and public sector experience to ESC- South Florida. After graduating college, Joel worked as a professional musician/arranger/composer in New York City and received a National Endowment for the Arts Award to compose a piece for jazz ensemble and orchestra. While in NYC, he went on to build and serve as President of Evergreen Recording, a professional recording studio, where he worked on recordings with artists such as John Lennon, Herbie Hancock, Harry Belafonte, Hugh Masekela, Madonna, Red Hot Chili Peppers, and many more.

After volunteering with various nonprofit organizations over the years, Joel decided to reconcile his social conscience with his work skills and transitioned into nonprofit management, where he served as the Executive Director of Youth Resource Development Corporation in Poughkeepsie, NY. While there, he was in on the ground floor of the national service program, AmeriCorps, and was a founding member and Treasurer of the New York State Corps Collaboration, a statewide collaboration of youth service and conservation corps, and the 4th largest AmeriCorps Program in the country. Joel later moved with his family to Fort Lauderdale, FL, where he worked as the Executive Director of Leadership Broward Foundation.

In moving to Florida, Mr. Greenbaum’s childhood love for the sport of tennis was rekindled, and he jumped back into the private sector, where he founded and served as President of Match Point Tennis, a retail and e-commerce tennis store with 3 locations in South Florida. In 2017, after operating Match Point Tennis for 16 years, Joel sold the business so he could once again utilize his unique skill set, passion, and experience to assist South Florida’s nonprofit community. Mr. Greenbaum’s  brings his expertise and experience to ESC-South Florida in the areas of business development, leadership training, board development, strategic planning, marketing & communications, and fundraising, among others.

B.S. New York University

Jheanell Haynes

Jheanell Haynes, Administrative Coordinator

Jheanell Haynes graduated from Florida International University with a BA in International Relations and Political Science. She later received her MA in African and African Diaspora Studies from FIU. Prior to joining the ESC-SoFl team, Jheanell was worked at Lindamood-Bell Learning Processes Center, where she assisted in developing and implementing individualized educational programs for students and adults to ensure that they learn to their full potential. Jheanell is passionate about service, education, and equity within our society and is very excited about working with the ESC-SoFl team.

Originally from Kingston, Jamaica, Jheanell lives in Florida with her husband and two children.