In late 2024, Warren took on the role of Global Head of Policy Methodology, based in the U.S. and working across governance research products globally, ensuring that various research and underlying methodologies continue to evolve to meet client and market expectations and complement each other effectively. As a member of ISS’ Global Policy Board, he also focuses on ensuring that ISS’ voting policies and guidelines across the globe are consistent with local and regional governance best practices. 

Previously, Warren was Head of Asia ex-Japan Research, based in Singapore, where he led the ISS Asia ex-Japan research teams in support of ISS’ mission of empowering investors to effectively manage governance opportunities and risks to realize long-term value. 

He is a frequent speaker on corporate governance and related matters with appearances before the Thailand Securities and Exchange Commission, The Korea Exchange, and the Taiwan Depository & Clearing Corporation, among others. He is also a contributor to the press with his expert commentary featured in Bloomberg News and other outlets. 

Prior to joining ISS in 2017, Warren spent 12 years with Glass Lewis where he built and managed the firm’s M&A and proxy contest team. Warren also developed the firm’s quantitative executive compensation analysis framework and led the expansion of its pay-for-performance coverage universe. Prior to his career in corporate governance, Warren was an investment banker for UBS where he focused on the technology sector. Earlier, Warren was an engineer at The Boeing Company.