The incumbent MD, Naomi Ishii, has been appointed the General Manager of Corporate Planning Division - Toyota Motor Corporation, Japan.
"This appointment is a part of the organisational changes at Toyota Motor Corporation," the company said in a statement.
Tachibana currently heads the technical, purchase and quality assurance functions at TKM. Before his current assignment, he was working as the Executive Vice President - Toyota Motor Thailand.
"Tachibana has spent three decades at Toyota. His experience in Toyota Motor Corporation spans across various functions like HR, domestic and overseas planning, used cars and product management," it said.
He has also headed Toyota Motor, Vietnam as the President.