Gillian Fierer O’Nan Esq.

Gillian Fierer O’Nan is the managing partner of the Atlanta, Georgia, firm of Elovitz, Edwards, O’Nan & 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. O’Nan 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. O’Nan 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. O’Nan 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. O’Nan 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. O’Nan has served as a member of the Alliance Children’s Theatre Guild’s 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. O’Nan proudly serves as the Vice President of the Ashford Park Education Foundation and on the House Committee for the Atlanta Athletic Club. Ms. O’Nan was appointed by the Mayor of the City of Brookhaven in 2017 to serve on the Zoning Board of Appeals; she proudly continues her service today.

Areas of Practice

  • Family Law

Education

  • University of Georgia School of Law, Athens, Georgia
    • D. – 2006
    • Honors: With Honors
  • University of Georgia, Athens, Georgia
    • A. cum laude– 2002

Bar Admissions

  • Supreme Court of Georgia, 2007
  • S. District Court Northern District of Georgia, 2006
  • Georgia Court of Appeals, 2007
  • Georgia, 2006
  • Superior Courts of the State of Georgia, 2006

Certified Legal Specialties

  • City of Brookhaven, Zoning Board of Appeals Member, 2017

Honors and Awards

  • AV Preeminent Rated by Bar and Bench, AV Preeminent- Judicial Edition, Martindale-Hubbell, 2018
  • Highest Rated, PRR AV Preeminent, Lawyers.com, 2017
  • America’s Most Honored Professionals Top 1%, 2016, 2018
  • Selected by Atlanta Magazine as one of Georgia’s Outstanding Young Lawyers. Atlanta Magazine, 2018
  • Peer Recognition, AV Preeminent, Martindale-Hubbell, 2017-2018
  • Top Attorney, Georgia Outstanding Young Lawyers, 2016
  • Legal Elite, Georgia Trend, 2014
  • Super Lawyers Rising Star, 2014-2018
  • AV Preeminent, Martindale-Hubbell, 2014-2017
  • Received a 10.0 “Superb” rating from Avvo
  • Top 100 Lawyers, National Advocates, 2015
  • Excellence in Family Law, Lawyers of Distinction, 2018
  • Top 10 Under 40, Nationally, National Association of Family Law Attorneys, 2014
  • Top 10% in the USA, Lawyers of Distinction, 2017
  • Client’s Choice Award, Avvo, 2018

Classes / Seminars

  • Mentor, State Bar of Georgia, Transition into Law Practice Program, 2013 – Present
  • Family Law Panelist, Speaker, Atlanta Bar Association- CLE, But You Said You’re a Lawyer, November, 2018
  • Speaker- “Family Law: Till Death (or divorce) Do Us Part” Roundtable, Speaker, Atlanta Bar Association- CLE, 2017
  • Speaker, State Bar of Georgia, Tropical Seminar (2015 – 2017)
  • Speaker, State Bar of Georgia, Family Law Institute (2016)- Hot Tips from the Rising Stars
  • Family Law Speaker, Speaker, But you said you’re a lawyer?! Topics Every Lawyer Should Know About, 2016
  • State Bar of Georgia Tropical Seminar, Speaker, Social Media Evidentiary Issues in Practice, 2018

Published Works

  • “Three Practical Tips for The Family Lawyer – From a Young Lawyer’s Perspective”, The Family Lawyer, Atlanta Bar Association, Family Law Section, July 2011 Edition
  • Social Media, The Evidence Code and Family Law, Speaker, Atlanta Bar Association, Family Law Section, 2017

Professional Associations and Memberships

  • Member, American Bar Association, Family Law Section
  • Member, State Bar of Georgia, Family Law Section
  • Civil Mediator
  • Mentor, State Bar of Georgia, Transition into Law Practice Program, 2013
  • Auction Chair, State Bar of Georgia, Supreme Cork, Young Lawyers Division, Family Law Section, 2008
  • Member, Family Law Section, Cobb County Bar Association
  • President, State Bar of Georgia, Young Lawyers Division of Family Law Section, 2010 – 2011
  • Guardian Ad Litem, Cobb County Superior Court
  • Board of Directors, Georgia Lawyers for the Arts, 2012
  • Executive Committee Member, State Bar of Georgia, Family Law Section, 2010 – 2011
  • Member, Cobb County Bar Association
  • Event Chair, State Bar of Georgia, Supreme Court, Young Lawyers Division, Family Law Section, 2009 – 2010
  • Member, Atlanta Bar Association, Family Law Section
  • Member, Lawyers Club of Atlanta

Pro Bono Activities

  • Board of Directors, Alliance Children’s Theatre Guild, 2013 – 2014
  • Atlanta Bar Association, Atlanta Bar Foundation, A Courthouse Line X, Participant, 2013
  • Teacher’s Appreciation Committee Chair, Brookhaven United Methodist Church Child Development Center Parent’s Association, 2010 – 2011
  • Participant, Glass Leadership Institute, Anti-Defamation League, 2006 – 2007
  • Cobb County Superior Court, Guardian ad Litem
  • Guardian Ad Litem, Atlanta Volunteer Lawyers Foundation
  • Sponsorship Chair, Fundraising Chair, Brookhaven United Methodist Church Child Development Center Parent’s Association, 2011 – 2012
  • Member, Education Committee, Anti-Defamation League, 2007 – 2008
  • Vice President, Ashford Park School Education Foundation (2016, 2017, 2018)
  • Eagle Fund- Ashford Park Elementary Board Member (2017, 2018)
  • Volunteer, Atlanta Volunteer Lawyers Foundation
  • Secretary, Brookhaven United Methodist Church Child Development Center Parent’s Association, 2012 – 2014
  • Chairman, Ava in Wonderland Charity Gala and Auction benefitting Rally Foundation for Childhood Cancer Research, 2011
  • Major Gifts Ambassador, Darlington School Centennial Campaign, 2008 – 2010
  • Eagle Fund (Ashford Park School) Board Member, 2016
  • House Committee- Atlanta Athletic Club (2016-present)

Elovitz, Edwards, O’Nan & Buerlein

Competent, Committed And
Compassionate Counsel In Family Law

Elovitz, Edwards, O’Nan & Buerlein’s attorneys pride themselves on providing both competent and caring representation. We are grateful for the opportunity to assist clients move from fear to confidence in connection with the formation, separation, maintenance, reunification and dissolution of family relationships.