Trevor S. Harris
Arthur J. Samberg Professor of Professional Practice
E-mail: tsh1@gsb.columbia.edu | Website

Professor Harris' research and practical experience has covered most areas of the use of accounting information for valuation, investment and management decisions, with a particular focus on global aspects. He has taught the core courses in financial and managerial accounting, and electives in corporate financial reporting and international financial statement analysis. 

Chris Mayer
Paul Milstein Professor of Real Estate
E-mail: cm310@gsb.columbia.edu | Website

Christopher Mayer is the Paul Milstein Professor of Real Estate at Columbia Business School. His research explores a variety of topics in real estate and financial markets, including housing cycles, mortgage markets, debt securitization, and commercial real estate valuation. Dr. Mayer is also CEO of Longbridge Financial, an innovative reverse mortgage company focused on delivering responsible home equity products to older Americans to help finance retirement. 

Damon Phillips
Lambert Family Professor of Social Enterprise; Co-Director, Tamer Center for Social Enterprise
E-mail: dp2588@gsb.columbia.edu | Website

Damon J. Phillips is the Lambert Family Professor of Social Enterprise. He received his PhD from Stanford University. Before joining Columbia in 2011, he was on the faculty of the University of Chicago Booth School of Business (from 1998-2011). During the 2010-2011 academic year he was a fellow at the Center for Advanced Study in the Behavioral Sciences at Stanford University. Professor Phillips has expertise in social structural approaches to labor and product markets, entrepreneurship, innovation, organizational strategy and structure, as well as social network theory and analysis. 

Olivier Toubia
Glaubinger Professor of Business; Faculty Director, Eugene Lang Entrepreneurship Center
E-mail: ot2107@gsb.columbia.edu | Website

Olivier Toubia is the Glaubinger Professor of Business at Columbia Business School. His research focuses on various aspects of innovation (including idea generation, preference measurement, and the diffusion of innovation), social networks and behavioral economics. He teaches a course on Customer-Centric Innovation and the core marketing course, in the MBA and Executive MBA programs. He received his MS in Operations Research and PhD in Marketing from MIT.

Stephen P. Zeldes
Benjamin Rosen Professor of Finance and Economics
E-mail: spz1@gsb.columbia.edu | Website

Stephen P. Zeldes is the Benjamin M. Rosen Professor of Economics and Finance at Columbia University’s Graduate School of Business. In his research, Professor Zeldes has examined a wide range of applied issues in both macroeconomics and household finance, including saving behavior, social security reform, pension policy, retirement account portfolio choices, and annuitization and retirement security.