Stafford (Mac) J. McQuillin

Stafford (Mac) J. McQuillin, III

Shareholder, Haynsworth Sinkler Boyd, P.A.

A versatile litigation and appellate attorney with deep ties to his native Charleston, South Carolina, Mac McQuillin blends an established government and business litigation practice with an emerging practice as a certified South Carolina Mediator.  In addition to his law practice, Mac was elected in 2014 to serve on the Berkeley County School District Board (the fourth largest school district in South Carolina) and currently serves as the school board’s Vice Chairman and Chairman of the Facilities and Capital Planning Committee.

Prior to Haynsworth Sinkler Boyd, Mac served as a law clerk to then South Carolina Governor Mark Sanford, where he researched existing and proposed legislation and its impact on South Carolina. He also advised the Governor’s Chief Legal Counsel on various legal matters involving the Executive Office. Mac also clerked for South Carolina Senator George E. (Chip) Campsen III. While working for Senator Campsen, he was responsible for constituent research and provided assistance during Senate debates on tort reform.

Mac is listed in The Best Lawyers in America© Commercial Litigation (2020-2021) and South Carolina Super Lawyers® “Rising Stars” Business Litigation (2014-2020). In 2017, Mac was awarded the South Carolina Lawyers Weekly Leadership in Law Award and recognized by Charleston Business Magazine as one of the “Legal Elite of the Lowcountry” for Government Affairs. 

Mac is a frequent speaker on government and litigation topics, including “Local Government Litigation Update – Impact Fee Litigation, Opioid Litigation (State and Federal) and FOIA,” “Legal Issues Affecting Local Government and Municipalities,” and “Recent Developments Under the South Carolina Freedom of Information Act (FOIA).”

Mac received his law degree, with honors, from the University of South Carolina School of Law (Order of Coif) and undergraduate degree from the University of South Carolina.


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