By Scott Bordenkircher, Director, Technology Innovation & Integration, Arizona Public Service

By Jagoron Mukherjee, Director, Strategy, Part of the PwC network

By Catherine Helleux, Head of Transaction Management for the Americas, The Infrastructure Equity team, Allianz Global Investors

By Ian Thomas Cook, Head of IT, charity: water

By Lance Norris, CSP, HSE Director, Redi Services LLC

By Charles McConnell, Executive Director, Center for Carbon Management in Energy, University of Houston