He joined Marks & Spencer as a trainee in 1966 and retired from his position as joint managing director of the company in 1999.

He is a governor of the Weizmann Institute of Science and honorary vice president of The Movement for Reform Judaism.

[6] In October 2019, he was suspended from the Labour peers group after the House of Lords standards committee found that he had harassed four female colleagues and made transphobic remarks.

[12] Lord Stone met his wife, Wendy, when both worked for Marks & Spencer: they are now separated.

Lord Stone was awarded an honorary degree, A Doctor of Law, at Oxford Brookes University.