Sir Robert Michael Marshall, DL (21 June 1930 – 6 September 2006), usually known as Michael Marshall, was a British businessman, politician, cricketer and author.
After a career in the steel industry, he was Conservative Member of Parliament for Arundel for 23 years, from the February 1974 general election until the constituency was abolished in 1997.
He was the first MP with an MBA from Harvard, and was a junior government minister in Margaret Thatcher's first government, from 1979 to 1981. He was heavily engaged with the Inter-Parliamentary Union, and had interests in theatre, cricket, golf, and wrote a number of books.
Marshall was born in Sheffield. His father was a printer, and his mother performed in music hall. He was educated at Bradfield College before began he a business career.
He joined United Steel in Sheffield in 1951, managed a branch in Calcutta from 1954 to 1958, obtained an MBA from Harvard University in 1960, and also studied at Stanford University, and then managed a branch in Bombay until 1964. He was commercial director at the company's steelworks in Workington from 1964, and then moved to become managing director of engineering group Head Wrightson Export in 1967. He joined Urwick Orr & Partners as a management consultant in 1969.