company president; CEO; head of a company
Refers to the top executive of a company. In smaller firms, may be translated as 'manager' or 'director', but the core meaning is the person in charge of the entire organization.
彼は新しい社長に就任した。
He was appointed as the new company president.
社長、お電話です。
President, you have a phone call.
He became company president in his thirties.
He is scheduled to take up the position of company president next month.
She served as company president for ten years.
The board of directors chose him as the new president.
社長 is the general word for a company president, while 頭取 is reserved specifically for the head of a bank.
社長 is the president of the whole company, a higher position than 部長, who only oversees one department.
社長 is the specific title of company president, while 取締役 just means a board director, who may or may not also be the 社長.
branch manager
president's office; director's office