Joel Bird is a shed builder, garden designer, and presenter for The Great Garden Revolution (Channel 4).

Jim Cregan does business differently. An iced coffee zealot, Jim believes in the power of young people and keeping your chin up.

Marie co-founded Goldfinger, an award-winning social enterprise that crafts beautiful furniture and objects from reclaimed and sustainable materials, benefitting people and planet.

Dr Tamsin Edwards is a climate scientist specialising in quantifying the uncertainties of climate model predictions, particularly for the Antarctic and Greenland ice sheet contributions to sea-level rise.

Dave Erasmus is an original thinker and connector advocating a circular philosophy of ON and OFF living that helps people, companies and workplaces to become healthier, happier and more resilient.

Futurenauts Ed Gillespie and Mark Stevenson are united by the potential of a common future which is sustainable, equitable, humane and just.

Known for his own unique brand of authentic ‘insultancy’, Ed Gillespie is a writer, communications specialist, serial entrepreneur and futurist.

Charlie Luxton is an architectural designer, writer and television presenter who is passionate about the environment and communicating his enthusiasm for sustainable architecture and eco-friendly design.

A challenging interviewer and garlanded broadcaster, Emily counts presidents, performers and prime ministers amongst her many interviewees.

Kevin McCloud is best known for the internationally acclaimed series Grand Designs, which has been running on Britain’s Channel 4 for 15 years.

The hugely versatile Alistair McGowan is an impressionist, actor, writer, stand-up comedian and, latterly, environmentalist.

A recovering management consultant Tom is a multi-award-winning, social entrepreneur, speaker and writer. A former research scientist, he applies insights from systems thinking to organisational management to paint a bright future of what a truly healthy economy will look like.