Ellen Balthazar served on the Eanes ISD School Board from 2001-2025, becoming the longest serving trustee in district history. She also served as co-facilitator of the history center, which houses maps, photographs, audiotapes, digitized papers and other artifacts related to Eanes' history. In May of 2025 the EISD board of trustees unanimously approved a resolution to rename the Eanes History Center to the Ellen Balthazar Eanes History Center. 

Ellen has also served as the Executive Director of Any Baby Can Child & Family Resource Center in Austin. Prior to Any Baby Can, she was a marketing consultant, representing clients such as McDonald‘s, Hunt-Wesson, Taco Bell, Frito-Lay, and Pizza Hut, as well as a marketing executive for PepsiCo, Frito-Lay and Procter & Gamble. She holds a B.S. in Home Economics and a B.S.H.E.J. in Home Economics and Journalism, both from the University of Georgia.