Joe Zhou is the CEO of Quidnet Energy, the developer of a breakthrough, long-duration energy storage technology: Geomechanical Energy Storage (GES). GES combines the reliability and ubiquity of oil and gas drilling with the engineering and scientific robustness of pumped-storage hydropower (PSH). Prior to Quidnet Energy, Joe worked at Green Charge Networks, a California-based li-ion battery storage developer that was acquired by Engie in 2016. Joe started his career at as consultant at McKinsey and process engineer at ExxonMobil. Joe holds a MBA from Harvard and a B.Sc. in Chemical Engineering from the University of Alberta.