Mimi Foldes Leibner earned her AB from Brown University and her JD from Cardozo School of Law. She lives in Chappaqua, NY with her husband, Jonathan, and two daughters. Mimi is the daughter and granddaughter of Holocaust survivors. 

She serves as co-chair of the Brown Annual Fund Leadership Council and was co-chair of both the Class of 1995 25th and 30th Reunion Class Gift Committees. She also co-chaired the Fundraising Committee for the 130 Years of Jewish Life at Brown celebration which took place in November, 2025 and was a former area chair of the Brown Alumni Interviewing Program. She is a 2024 recipient of the Brown University Alumni Service award. 

Leibner is a Zin Fellow at Americans for Ben-Gurion University. After graduation, Mimi practiced corporate law, specializing in M&A and corporate finance transactions. Her leadership has also extended to various community roles, including PTA chair, co-chair and producer of local theater programs, and board member of a local arts nonprofit.