Chairman, Arigna FuelsEntrepreneur and investor in the finance and sustainability sectors. Based in Dublin,Ireland and holds an MBA from Boston College and is a CFA charterholder. As chairman of Arigna Fuels, overseeing the transition from a fossil fuel producer to biochar. Arigna has recently commissioned two 35k metric tonne biochar machines making it one of the largest operating biochar producers in the world.