Margarita Castellon

Education Relations Manager


Margarita is Education Relations Manager for AT&T, leading a marketing team responsible for meeting the telecommunications needs of the education community in Broward County.


Starting her work life in public service for the Florida Cabinet in Tallahassee, Margarita served as Cabinet Aide to the State Treasurer, handling environmental and education matters. During this time, she also produced and anchored the Spanish version of Today in the Legislature, a weekly TV program highlighting the activities of the Florida Legislature. From Tallahassee, she transitioned to the U.S. Senate in Washington, D.C., serving on the staff of then Senator Lawton Chiles. She has been Director of Government Relations for two companies, the Republic Group, and the Mobile Communications unit of Ericsson/GE. Before joining AT&T, Margarita served briefly as Vice President of Education and Government Relations for the Broward Alliance.


Passionate about community service and strongly committed to education excellence, Margarita is immediate past chair of the Broward Education Foundation, serves on FAU President’s Broward Advisory Council, McFatter Technical Center’s School Advisory Committee, the Broward Education Coalition, and mentors several girls at Monarch High School as part of the Women of Tomorrow Mentoring Initiative. She has been the past chair of the Broward Alliance Education and Workforce Development Committee, is a Board member of the Broward Alliance, a member of the Broward Alliance Think Tank, and an active member of Broward Days Tallahassee, helping to contribute to the economic vitality of our County. Margarita chaired the Quality of Life Committee of the Coordinating Council of Broward (CCB) for several years and is a member of the CCB Steering Committee, leading the effort of identifying the critical issues of our community for collaborative action by members of the CCB. She is also a member of the United Way of Broward’s Vision Council. In her private life, Margarita is very active in AIM (Achieve, Inspire, Motivate), an organization that ministers to adults with physical disabilities, the Restoration Ministry (repairing homes for the elderly), and the Music Ministry of her parish (where she was the choir conductor for several years).


Margarita holds graduate degrees from Florida State University (Anthropology) and Harvard University (Public Administration), is a member of the Harvard clubs of Broward County and Palm Beach County, and sits on the Harvard Schools Committee for Broward County, conducting interviews for Broward students seeking admission to the University. She is an Adjunct Faculty member of St. Vincent de Paul Seminary in Boynton Beach.


Margarita is a recipient of multiple telecommunications awards, including the Community Service Award of the Florida Telecommunications Industry Association, as well as the Ft. Lauderdale Chamber’s Women’s Council Excellence Award for Community Service (2007) and the Broward Alliance Economic Development Leadership Award (2008).