Prior to founding Castalune, Zach held various roles at Edison Energy, the deregulated subsidiary of Edison International, spanning strategy, analytics and commercial transactions. Zach joined Edison Energy via the acquisition of Altenex, the industry’s first brokerage for corporate renewables. As one of the first employees, Zach helped grow the business from pre-revenue to exit. During his tenure as a clean energy advisor, Zach managed the execution of energy and emissions strategies for global Fortune500 companies, including over 2.2GW of renewable offtake agreements.