John Mennel

John is a Strategy partner and a leader in Monitor Deloitte’s ESG & Sustainability Strategy practice. John also leads the Sustainability Hybrid Business team, which is developing technology- and analytics-enabled Operate businesses to help companies and investors set and implement decarbonization plans, commercialize abatements, and understand climate-related risks. John also led the Responsible Enterprise strategy for Deloitte’s CEO, which included definition of Deloitte’s own Net Zero goal. John has been focused on sustainability, ESG and purpose for well over a decade along with related work on growth strategy, innovation, digital and customer. He has worked with clients in a broad array of industries, including Public Sector, architecting ESG- and sustainability-led transformations and has developed many long-term relationships at the CEO and CxO level with Fortune 500 clients. John came to this work through a background in International Public Sector and International Development, where he became deeply interested in the potential for large companies to act as a force for good in the world.