Before joining Telecare’s board, Mary Ann was the President and Chief Operating Officer of Bright Horizons Family Solutions, the world's leading provider of employer-sponsored childcare, early education, and work/life solutions. Bright Horizons has over $1.4 billion in revenues and operates more than 900 centers in four countries. In total, more than 26,000 Bright Horizons staff members provide care to more than 100,000 children. Bright Horizons has been recognized 16 times as one of Fortune Magazine's "100 Best Companies to Work For in America."

At Bright Horizons, Mary Ann was responsible for all domestic and global operations. She retired from her position in June 2015.

In addition to her work at Bright Horizons, Mary Ann has served on private, not-for-profit, family-owned, and publicly-traded boards including Horizons for Homeless Children, Harvard Pilgrim Health Care, Burlington Stores, Dana Farber Cancer Institute, Civitas Solutions, and Zany Brainy. Mary Ann received her MBA from Simmons College Graduate School of Management, and was honored by Simmons with the Phyllis Rappaport Alumnae Achievement Award, which recognizes alumnae who further the school's tradition of creating broader opportunities for women.