John is head of the Sustainable Finance Group (SFG), which is responsible for working across Goldman Sachs to deepen the firm's knowledge and grow its capabilities in relation to inclusive growth and climate transition. He serves as chair of the Sustainable Finance Group Steering Group. John joined Goldman Sachs Asset Management as a managing director in 2015 through the acquisition of Imprint Capital, which he co-founded in 2007, to help expand the firm's Environmental, Social and Governance and impact investing capabilities.

Previously, John served as senior managing director of Medley Global Advisors. During that time, he co-founded and served as the executive director of the Medley Institute. Prior to that, John was a management consultant at Andersen Consulting (now Accenture).