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Mark Harmon

Governmental Affairs Advisor


Mark Harmon is a Governmental Affairs Advisor based in Columbia, South Carolina and a member of Nexsen Pruet's South Carolina Public Policy & Governmental Affairs team.

Prior to joining Nexsen Pruet, Mark was the Executive Director of the South Carolina Petroleum Council where he lobbied both the legislative and executive branches of state government on behalf of the oil and natural gas industry, as well as additional advocacy at the federal level. There he also led grassroots, grasstops, and media campaigns in-state on issues critical to industry while interfacing with member companies to best determine their needs and priorities and how to achieve their goals in South Carolina. 

Mark previously worked as Vice Present of Government Affairs and Public Policy for the South Carolina Chamber of Commerce, where he developed policy initiatives and strategies to effectively lobby on behalf of the statewide business community, with a successful track record on issues pertaining to workforce development, tax, and energy. In addition, Mark has served as the Executive Director of the South Carolina Senate Republican Caucus and Majority Research Director of the Senate of South Carolina.



Clemson University, B.S. - Ceramic and Materials Engineering, 2001

Civic & Professional Memberships
  • Advisory Committee, SCDHEC SUPERB 
  • Business and Industry Representative, South Carolina Emergency Management Division Emergency Support Function 24, 2015-2018; Energy, 2018-2020
  •  VP of Public Relations, Toastmasters International – 7 AM Club of Columbia, 2015-2017
  • Member, Keep the Midlands Beautiful – Board of Directors, 2013-2019
  • Sertoma Club, 2013-2018
  • Board of Directors, The Free Medical Clinic of Columbia, 2013-2017
Mark Harmon Bio