Mac McQuillin recognized as one of Charleston’s 2021 Forty Under 40

October 1, 2021

Haynsworth Sinkler Boyd announced that Mac McQuillin has been named to the Charleston Regional Business Journal’s Forty Under 40 Class of 2021.

This annual award recognizes the successes and community involvement of 40 professionals under the age of 40 who are making an impact in the Charleston area through their industry, profession and service to the community.

Passionate about public service, Mac was elected to the Berkeley County School District Board in 2014 and was re-elected in 2018, where he currently serves as the Chairman of the Finance and Capital Planning Committee. He is also a member of the Board of Directors of the Lord Berkeley Conservation Trust.

Mac is a native Charlestonian and blends an established business litigation practice with an emerging practice as a certified Circuit Court Mediator. He advises individuals, local businesses and government entities in routine and complex matters, and has extensive experience with both jury and non-jury trials. Mac handles probate, estate and trust cases; litigates LLC and partnership disputes; and provides general counsel and litigation services to local governments.

Mac is recognized in The Best Lawyers in America for Commercial Litigation (2020-2022) and as a South Carolina Super Lawyers® “Rising Star” for Business Litigation (2014-2021).


About Haynsworth Sinkler Boyd, P.A.

Haynsworth Sinkler Boyd provides business, litigation and financial legal services to local, national and international clients. With a history dating back to 1887, it is one of the largest law firms in South Carolina with more than 115 attorneys. The firm has offices in Charleston, Columbia, Florence and Greenville, SC. For more information, visit