About
Susan S. Erdelyi is a Jacksonville employment and civil rights lawyer and a shareholder at Marks Gray, P.A., who represents public entities, private employers, and selected employees in workplace disputes. She handles wrongful termination, discrimination, sexual harassment, wage and hour, whistleblower, First Amendment, due process, and unpaid wage claims. She also advises municipalities and counties on government liability matters. She brings substantial prior experience in public-sector legal leadership as City Attorney for the City of Jacksonville Beach.
Susan earned her J.D. from Florida State University in 1986 and her B.S. with honors from Texas Tech University in 1979. She was admitted to The Florida Bar in 1987. She is also admitted before all three federal district courts in Florida, the Eleventh Circuit, and the US Supreme Court. She uses this broad admissions background to represent clients in state, federal, and appellate proceedings involving employment and civil rights.
Susan regularly litigates employment and civil rights matters involving discrimination, harassment, retaliation, wages, constitutional claims, and other workplace issues. She also represents government entities in disputes requiring knowledge of municipal operations and public-sector liability. She frequently speaks on complex employment law topics for professional and client audiences. Her presentations have addressed civil rights, disability law, sexual harassment, workplace violence, and litigation risks facing cities and counties across Florida and beyond.
Susan S. Erdelyi has earned recognition from Best Lawyers and Super Lawyers for her employment, civil rights, and litigation work. She received Best Lawyers Lawyer of the Year honors in 2022 for Civil Rights Law and in 2023 for employment-related categories. She has served in leadership roles with the Florida Defense Lawyers Association. Her experience supports practical advocacy for employers, employees, municipalities, and other public entities facing difficult legal disputes.
Law Office Affiliations
- Shareholder, Marks Gray, P.A.
- Member, The Florida Bar, Labor & Employment Section, Trial Section
- Chair, Board of Directors, Florida Defense Lawyers Association, Employment Committee (2000) (2002-2006)
- Member, Jacksonville Federal Bar Association
- Member, Jacksonville Bar Association
Licensed State
- Florida
Education
- Florida State University
Juris Doctor (JD) - Texas Tech University
Bachelor of Science, Honors
Awards & Badges
- Discrimination
- Sexual Harassment
- Wage & Hour Laws
- Workers' Compensation
- Wrongful Termination
- Appeals









