ATLANTA—Vystar Corp. has named D. Thomas Marsh to its board of directors.
Marsh has been the president of Centrotrade Minerals and Metals Inc., a global distributor of rubber, latex and chemicals, since 1999.
He directs the company's daily operations and provides technical, regulatory and standards organization oversight to its sister organizations in Europe and Asia.
Marsh also has served as a member of ASTM International since 1990 and a member of its board of directors since 2011.