A veteran executive, John has led major platform developments across multiple sectors, including auto finance, renewable energy, nuclear power, and digital infrastructure, including data storage and mining.

Most recently, he was CFO of Talen Energy Corporation and Cumulus Growth, leading the development of the Cumulus 475MW data center (acquired by AWS) and a 150MW bitcoin mining facility. With 13GW of nuclear and fossil power assets in five markets, his team increased profits by over $500mn.

Before Talen, John served as treasurer of TerraForm Power Inc., a 3GW renewables platform (acquired by Brookfield.) At General Motors during the 2008 financial crisis, he helped drive their restructuring and eventual IPO, including the formation of General Motors Financial.

John holds degrees in Accounting and Taxation from the University of Alabama, and an MBA from Harvard Business School.