Mark E. Chastain, PLS – President & CEO
- BS Integrative Studies (Land Surveying and Business Management) – Kennesaw State University
- AS Civil Engineering Technology – Southern College of Technology (now SPSU)
- Stormwater Drainage System Design Certificate – Auburn University
- Professional Land Surveyor – Licensed in Georgia, Tennessee, North Carolina, and Alabama
- Georgia Board of Registration for Professional Engineers and Land Surveyors (December 2003 -July 2021)
- Georgia Soil & Water Conservation Commission Certified Design Professional
- Continuing Legal Education Provider and Presenter: State Bar of Georgia, Southeast Land Title Association, Tennessee Land Title Association, and various title insurance companies
- Surveying and Mapping Society of Georgia (SAMSOG) – Legislative Committee, President of Foothills Chapter, and continuing education presenter
- Gilmer County Surveyor (elected office) 2001-2004
- Gilmer County Board of Commissioners (Chairman 2009-2010, Post 2 2005-2008)
- Corresponding member, NSPS subcommittee of ALTA/NSPS survey standards