Lisa Walker recently left BG Group (now part of Royal Dutch Shell) where she served as Vice President for Environment & Climate Change to become CEO of start-up Ecosphere+. Lisa worked in the oil and gas sector for >17 years, closely involved in all aspects of climate change strategy development & implementation, public policy formation, sector coalition building and low-carbon business development. She was a driving force behind the UK Emissions Trading Group, the CCAC Oil & Gas Methane Partnership (which she Co-Chaired), the Sustainable Gas Institute and the CEO-led Oil & Gas Climate Initiative (OGCI). Lisa helped BG Group secure multiple industry awards for sustainability. Before BG Group Lisa held various roles at BP including Director of the BP Carbon Ventures corporate-VC fund. Lisa successfully secured capital for many innovative investments in sustainable land-use and forestry, low-carbon technologies and b io-energy, including first-of-their-kind deals for the private sector such as the World Bank’s Forest Carbon Partnership Facility (FCPF). Lisa is a mother of four and originally from New Zealand.