Mark Opzoomer

Mark William Opzoomer (born July 1957) is a British-Canadian business executive and company director.

Education Opzoomer graduated with an MBA from IMD, Lausanne, Switzerland. He qualified as a chartered accountant with PwC in 1981.

Career Early career Opzoomer has held senior roles in media, telecommunications and technology companies, including positions at Virgin Communications, Sega Europe and publishing company Hodder Headline.

Rambler Media Opzoomer joined the board of Rambler Media as a non-executive director in 2005 and chaired its audit committee. In February 2009, Rambler Media announced that Opzoomer would step down as chief executive effective 28 February 2009.

He joined the board of Vext Science, Inc. in February 2022 and was appointed non-executive chairman in August 2024.

Personal life He married Rosemary Leith, later a founding director of the World Wide Web Foundation; the couple had three children, after which she left the financial sector, co-founding a start-up during the dot-com bubble.