Ms. Brennan is active with many organizations, including Seven Hills Foundation, Inc., Volunteer Lawyers and the Girl Scouts of Central and Western Massachusetts, Inc. where she serves on the Board of Directors. Ms. Brennan is a member of the American, Massachusetts and Worcester County Bar Associations.

Ms. Brennan has served as co-chair of the Worcester County Bar Association's Bankruptcy Section and Probate Court Committee. She is frequent panel participant on continuing legal education programs.

Ms. Brennan is a graduate of Stonehill College, where she received her B.A., cum laude, in 1972. Additionally, she holds a Master’s Degree from the University of Hawaii. She earned her J.D. from Suffolk University Law School in 1985.

Ms. Brennan's administrative assistant is Julia Pisegna, (508) 459-8020.