Dr. Nick Baylis Well-being Scientist At Cambridge University, Nick is co-Director of the newly created Well-being Institute, where he endeavours to understand how each of us can make profound progress in our everyday lives: psychologically, physically, and socially. (Visit http://www.cambridgewellbeing.org/)

Stefan's radio credits include: twelve years of Gardeners' Question Time on Radio 4, The Gardening Quiz on Radio 4 which he devised, wrote and presented, and Classic Gardening Forum on Classic FM. He has appeared as contributor or presenter on many television shows including: Stefan's Garden Road Show for BBC2, Open House for Channel 5, Stefan Buczacki's Gardening Britain for BBC2, Good Morning with Anne and Nick for BBC1, BBC's coverage of The Chelsea Flower Show, BBC2's Gardeners' World, Bazaar for BBC1, That's Gardening (TVS) and Gardeners' Direct Line (BBC1).

Benjamin Cohen is well known both as an entrepreneur and as a television journalist.

He has been both the youngest ever director of a public company and the youngest correspondent on a network news programme. He regularly speaks on his experiences in the dot.com boom, privacy, e-commerce, new media and diversity.

Britain’s (and possibly the World’s!) longest-serving TV weather forecaster, Michael Fish became famous for his so called 'hurricane gaff' in 1987. Now retired from the Met Office he spends his time as a regular weather presenter on BBC SouthEast, as well as giving after dinner speeches and lectures on Climate Change. He is the co-author of 'Storm Force' about Britain's wildest weather.

Baroness Greenfield is Director of the Royal Institution of Great Britain (the first woman to hold that position) and Professor of Pharmacology at the University of Oxford, where she leads a multi-disciplinary team investigating neurodegenerative disorders. In addition she is Director of the Oxford Centre for the Science of the Mind, exploring the physical basis of consciousness.

Prof. Armand Leroi was the writer and presenter of Human Mutants, a major three-part documentary series about human deformity which was broadcast on Channel 4 in June 2004. He also wrote and presented a two part series What Makes Us Human which was transmitted on C4 in August 2006. In December 2004 his book, Mutants, was the winner of the Guardian First Book Award.

Lawrence is the Science Editor for ITN. During his career he has won many awards including; 2 BAFTAs for Channel 4 News and Best News or Outside Broadcast and 2 RTS awards for the best sports news report for the coverage of the drugs scandal at the Barcelona Olympics and the Kings Cross Disaster.

Nick Middleton is a geographer, writer and presenter of television documentaries. He teaches at Oxford University where he is a Fellow of St Anne's College.

He is the author of seven travel books, including the 2001 bestseller, Going to Extremes (Pan) and its follow-ups Surviving Extremes (Pan, 2004) and Extremes along the Silk Road (J Murray, 2006).

Originally from Australia, Scott works for a veterinary hospital in East London whilst appearing as the resident vet on ITV1's This Morning for the last five years. Using his unique down-to-earth style and broad veterinary knowledge, Scott has become a household name in Britain as a leading TV vet and animal lover.

Nina de Roy is a live show-host on the Association for International Broadcasting's award-winning channel Bloomberg Television. She read Biological Sciences at London's Imperial College and also holds a master's degree in Economics and Management.

Julian Rush is the Science & Environment Correspondent of Channel 4 News and he has recently taken on the Defence brief as well. His flair and enthusiasm for accessible explanation, investigation and analysis of the wide range of complex subjects he covers has been recognised with several major TV industry awards.

Joanna Yarrow is one of Britain's leading experts in sustainability. She combines extensive experience in applied sustainability across sectors with a flair for engaging broad audiences.