Bruce Usher is a Professor of 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 in New York City. Professor Usher teaches MBA students on the intersection of finance, social and environmental issues, and is a recipient of the Dean's Award for Teaching Excellence and the 2017 Singhvi Prize for Scholarship in the Classroom. Prior to his work at Columbia, Usher was CEO of EcoSecurities Group plc, during which time he built it into the world's largest carbon credit company. EcoSecurities developed more than 400 projects in 36 countries, representing approximately 10% of all projects approved by the United Nations under the Kyoto Protocol. EcoSecurities was acquired by JP Morgan in 2009. Usher was previously the co-founder and CEO of TreasuryConnect LLC, which provided electronic trading solutions to banks and was acquired in 2001. Prior to that, he worked in financial services for twelve years in New York and Tokyo. Professor Usher is an active investor and advisor to entrepreneurial ventures focused on climate change and clean energy (UsherWorks.com). He is a board member of Community Energy Inc., OptiRTC Inc, the United Nations Fund for International Partnerships, and is Chairman of the Tamer Fund for Social Ventures. Usher earned an MBA with distinction from Harvard Business School.