Professor Feldberg has been Dean Emeritus and Professor of Leadership and Ethics at Columbia Business School at Columbia University since June 2004. Prior to that time, he served as the Dean of the Columbia Business School at Columbia University from 1989 to June 2004. He is currently on leave of absence from Columbia University and is serving as a Senior Advisor at Morgan Stanley. In 2007 Mayor Michael Bloomberg appointed Professor Feldberg as the President of NYC Global Partners, an office in the Mayor's office that manages the relationships between New York City and other global cities around the.