Marvin Pierce Bush (born October 22, 1956) is the youngest son of George H. W. Bush and Barbara Pierce, and brother of George W., John (Jeb), Neil and Dorothy. He is named for his maternal grandfather. He and wife Margaret have two adopted children: a daughter, Marshall, and a son, Walker.

Marvin graduated from Woodberry Forest School in 1975, and also holds a B.S. from the University of Virginia, where he was a member of St. Elmo Hall. He spent most summers and holidays at the Bush family estate.

He was a director of the Sterling, Virginia company Securacom, also known as Stratesec, from 1993 until June 2000.[1] The Securacom/Stratesec company was publicly traded and backed by an investment firm, the Kuwait-American Corporation. In 1996, Marvin Bush had 53,000 shares in the company's stock he bought at 52 cents a share. In 1997 the stock sold for $8.50 a share. Marvin Bush was no longer listed as a shareholder by the end of 2000. The chairman of the board of Stratesec is Wirt Walker, who is unrelated.[citation needed]

Currently, Marvin Bush is a Co-Founder and Managing Partner at the investment firm Winston Capital Management, located in McLean, Virginia. Mr. Bush has portfolio manager duties at Winston.

Marvin Bush is a former director of HCC Insurance Holdings, and is currently listed as an advisor to the board of directors.[2] HCC, formerly Houston Casualty Company, is a publicly traded insurance company on the New York Stock Exchange.

With his father being a former one-term president, his brother, George W., a two-term president, and his brother Jeb Bush, a two-term governor, there is speculation that Marvin Bush will also go into politics. Over the past decade, Marvin has engaged in a multitude of campaign and fundraising events.[citation needed] His brothers George and Jeb both positioned themselves as businessmen prior to going into politics.