Luke Johnson is the Chairman of Risk Capital Partners Ltd, a private equity house. He is the part owner and Chairman of Superbrands, Giraffe Restaurants, Patisserie Valerie and Baker and Spice. He is a major owner and Director of the market leader in car park equipment, APT Controls.

Luke was Chairman of Channel 4 Television Corporation from January 2004 to January 2010. In that time he appointed a new CEO, restructured the board and saw the organisation enjoy record ratings, revenues and surplus. He also served as Chairman of the trustees of the £150m Channel 4 staff pension plan.

In May 2010 Luke became a strategic investor in Beer & Partners, the UK's largest business investment agency. He is also Chairman of Fast Track, the UK's leading networking events and research company focusing on Britain's top-performing private companies. Luke is a non-executive director of art publisher Phaidon Press. In August 2010 Luke assumed control of Feng Sushi, a London-based chain of Japanese restaurants specialising in home delivery, and in September 2010 he purchased a majority stake in casual-dining firm Ego Group. In May 2011 Luke became part owner of Bread Ltd, the firm behind the Gail's Artisan Bakery chain. He joined Metro Bank plc as non-executive director in Oct 2011.

Luke is a director of two theatre production partnerships, Playful Productions and Fiery Dragons. He is also a director of AKA UK, a marketing agency to the live entertainment industry. 

Luke writes a weekly column on entrepreneurship for The Financial Times and wrote a weekly column on business matters for The Sunday Telegraph for eight years until 2006. He also writes a monthly column for Management Today.

Luke studied medicine at Oxford University and graduated in 1983. He then worked as a media analyst at stockbroker Grieveson Grant (subsequently Kleinwort Benson Securities).

Luke took control of PizzaExpress with partners in 1993 and subsequently became Chairman. He grew the business from 12 owned restaurants to over 250, and the share price from 40p to over 900p. He sold out in 1999 and started Signature Restaurants, which owned The Ivy and Le Caprice, as well as the Belgo chain, selling the business in 2005. He started the Strada restaurant concept from scratch and took the chain to 30 units and sold it in late 2005. The total proceeds from these two disposals were in excess of £90 million.

In the period 1993 to date he has been involved as a Director/owner of various quoted companies in retailing, pubs and bars, parcel delivery and maritime commerce, including Whittard of Chelsea, My Kinda Town, Nightfreight and American Port Services. Luke was co-founder/owner and Director of InterQuest Group plc, before stepping down in 2010. He is a former investor in fresh fish distributor Seafood Holdings, which was sold for £45m in 2010.

He has been a principal owner of GRA, the UK's largest greyhound track owner, since early 2005.

He was the principal owner of Mayfair Gaming, the chain of Riva bingo clubs, from 2004. This was sold in 2006 for an IRR of over 40%.

Luke founded Integrated Dental Holdings with partners in 1996 and grew it to become the largest UK chain of dental surgeries with over 500 dentists. This was sold in 2006 for over £100 million.

From 2004 to 2006 he was a Director of Dollar Financial Group Inc, a US NASDAQ traded corporation with some $80m EBITDA.

Luke was appointed Chairman of the Royal Society of Arts in 2008. He was a governor of The University of the Arts London between 2000 and 2006. He is also Chairman of StageOne, a charity in support of new producers of quality commercial theatre in the UK.

His new book, "Start It Up: Why Running Your Own Business Is Easier Than You Think" is available on pre-order and will be published by Penguin in autumn 2011.

He is married with three children and lives in London.