Juliet Davenport is founder and chief executive of Good Energy, the renewable electricity supplier.
Good Energy now supplies energy to more than 26,000 homes and businesses across the UK, sourcing its electricity from a community of more than 2,000 independent renewable generators, all harnessing natural power from the wind, water, sun or through sustainable biogeneration.
Juliet has won several accolades for her work, including PLUS Markets CEO of the year 2009 and 2010.
Good Energy has won a Sunday Times Best Green Company Award twice, an Observer Ethical Award and was named West of England Business of the Year 2009.
Steve Hawkes took over as business editor of The Sun in 2008 after working as a business journalist for The Times, covering industry and retail.
King was British Press Awards business journalist of the year in 2005.
He has regularly appeared as a commentator on radio and TV, including Sky News and on Jeff Randall's BBC Radio 5 live Sunday business programme.
Prior to The Sun he spent 18 months at the Mail on Sunday and three years at the Guardian. Hawkes has also worked at the Evening Standard and the Press Association.
Pete Redfern is the chief executive of Taylor Wimpey.
At 36, he became one of the youngest bosses in the FTSE 100, when in 2006 he was promoted from managing director of the UK business.
Redfern started his career as a charted accountant, qualifying in 1996. He joined Rugby, the cement maker, as a business development manager shortly afterwards.
He then moved to Wimpey Homes as their finance director in 2001. He graduated from Warwick University.
Declan Curry brings you lively analysis of the big business stories that are making the headlines.