Mark E. Chastain, PLS – President & CEO
- Master of Legal Studies, University of Tennessee Knoxville, College of Law
- BS Integrative Studies (Land Surveying and Business Management) – Kennesaw State University
- AS Civil Engineering Technology – Southern College of Technology (now KSU)
- Professional Land Surveyor – Licensed in Georgia, Tennessee, North Carolina, and Alabama
- Georgia Soil & Water Conservation Commission Certified Design Professional
- Georgia Board of Registration for Professional Engineers and Land Surveyors December 2003 -July 2021; Emeritus Member (2022)
- Kennesaw State University – Adjunct Professor of Land Surveying
- Continuing Legal Education Provider and Presenter: State Bar of Georgia, Southeast Land Title Association, Tennessee Land Title Association, and Tennessee Association of Professional Surveyors
- Surveying and Mapping Society of Georgia (SAMSOG) – Legislative Committee, Tennessee Association of Professional Surveyors
- Gilmer County Surveyor (elected office) 2001-2004
- Gilmer County Board of Commissioners (Chairman 2009-2010, Post 2 2005-2008)