Bruce Usher is a Professor of Professional Practice and the Elizabeth B. Strickler '86 and Mark T. Gallogly '86 Faculty Director of the Tamer Center for Social Enterprise at Columbia Business School and Columbia Climate School faculty. He chairs Columbia University’s Advisory Committee on Socially Responsible Investing, advising the university trustees on ethical and social issues that arise in the management of investments in the university’s endowment.

Prior to joining Columbia University, Professor Usher was CEO of EcoSecurities Group plc, which developed greenhouse gas emission reduction projects in developing countries. EcoSecurities completed an IPO in 2005 and was acquired by JPMorgan in 2009. He was previously the co-founder and CEO of Treasury Connect, which provided electronic trading solutions to banks and was acquired in 2001.
Professor Usher is the founder of Columbia Business School's Open Climate Curriculum Initiative, which focuses on increasing access to climate education globally and applying AI in climate learning.