representative director and president
A corporate title in Japan: the president of a company who also serves as a representative director, authorized to legally represent the company in external dealings.
As the representative director and president, he signed the contract.
The representative director and president attended the press conference as the face of the company.
代表取締役 is a representative director, a board member with legal authority to represent the company. 代表取締社長 combines this role with the presidency, making it a more specific executive title.
社長 is a general term for a company president. 代表取締社長 explicitly adds the legal representative function, often used in formal corporate contexts.
Compound of 代表 (representative), 取締 (director, from 取る 'take' + 締める 'tighten/manage'), and 社長 (company president). The term reflects the dual role of managing the company and legally representing it.