Saul is an engineer and entrepreneur specialising in clean and renewable energy technologies. Saul has founded a dozen technology companies across 20 years in Silicon Valley. Saul is the author of 3 books including `Electrify', and `The Big Switch'. Saul has recently turned his attention from Otherlab, his independent Research and Development lab, to policy work and writing, including founding Rewiring America, Rewiring Australia and Rewiring Aoteaora, non-partisan organisations dedicated to electrification and decarbonization.