Serial Cleantech-founder and startup executive, Llewellyn has led multi-billion-dollar projects in his time with SNC Lavalin, Worley Parsons and Advisian. He has a strong technical background as a Mechanical Engineer and a Master's in Business.

Over the last 10 years, his career has focused on the development, deployment and delivery of renewable energy projects, including hydrogen, wind, solar, BESS, sewage bio-energy, hydropower & biomass. Key achievements include founding LAVO – the world’s first residential hydrogen energy storage unit, developing Providence Asset Group's $500m solar/ hydrogen portfolio, establishing Metis Energy’s $1.5B renewable energy portfolio, founding Vesi Water and recently the  Stor-Energy platform of stand-alone BESS projects.