Gillian Fierer O'Nan

Gillian B. Fierer is the managing partner of the Atlanta, Georgia, firm of Fierer & Buerlein, LLC. Focusing her practice exclusively on family law, she represents clients throughout Atlanta and surrounding counties in matters related to divorce, adoptions, child support and custody, separate maintenance and domestic violence. Ms. Fierer also handles paternity cases, postnuptial and prenuptial agreements, post-action modifications and contempt cases. An experienced litigator, she is also a civil mediator and trained Guardian ad Litem. After receiving her Bachelor of Arts cum laude from the University of Georgia in 2002, Ms. Fierer went on to attend the University of Georgia School of Law and was awarded her Juris Doctor with honors in 2006. Admitted to practice in Georgia, she was associated with two Atlanta firms before opening her practice in 2013. Highly regarded by her peers, Ms. Fierer has received a 10.0 Superb rating from Avvo. A member of the family law sections of the American Bar Association, the State Bar of Georgia and the Atlanta Bar Association, Ms. Fierer previously served on the board of directors for Georgia Lawyers for the Arts and as the president of the Young Lawyers Division of the Family Law Section of the State Bar of Georgia. She is a member of the Lawyers Club of Atlanta. Active in a variety of community and civic organizations, Ms. Fierer has served as a member of the Alliance Childrens Theatre Guilds board of directors, chaired the Ava in Wonderland Charity Gala and Auction and donated her time to her local church as well as the Anti-Defamation League. Ms. Fierer has proudly served as the Vice President of the Ashford Park Education Foundation and on the House & Membership Committees for the Atlanta Athletic Club. Ms. Fierer was appointed by the Mayor of the City of Brookhaven in 2017 to serve on the Zoning Board of Appeals; she proudly continued her service until 2022. In 2024, Gillian ran against an incumbent for the Board of Governors of the State Bar of Georgia and won. She is proud to serve the Board of Governors today.