David is the BBC’s Science Editor, a post he has held since in 2012. He is acclaimed for his innovative reporting from the frontlines of global change. David presents clear explanations of the latest science with a vivid anecdotal style. As the BBC’s on-screen climate specialist during the Live Earth concerts, and a regular public speaker and conference chair, he’s hugely experienced and really enjoys connecting with an audience. He has the ability to guide the corporate world through the challenging environmental and scientific issues facing business today and enables them to make positive changes to the way they operate in order to enhance economic and environmental effectiveness.

Jonathon Porritt, Co-Founder of Forum for the Future, is an eminent writer, broadcaster and commentator on sustainable development. Established in 1996, Forum for the Future is now the UK’s leading sustainable development charity. The Forum has a growing presence in the United States, India, Hong Kong, Singapore and Malaysia. In addition he is a Non-Executive Director of Willmott Dixon Holdings, a Trustee of Ashden, and a Director of Collectively (an online platform celebrating sustainable innovation). He was formerly Director of Friends of the Earth, co-chair of the Green Party and as Chairman of the UK Sustainable Development Commission until 2009, he spent nine years providing high-level advice to Government Ministers. Jonathon was installed as the Chancellor of Keele University in February 2012. He is also Visiting Professor at Loughborough University and UCL. Recent books are ‘Capitalism As If The World Matters’ (2007) and ‘The World We Made’ (2013) - which seeks to inspire people about the prospects of a sustainable world in 2050.