From his bio at Columbia University:
Professor Bruce C. N. Greenwald holds the Robert Heilbrunn Professorship of Finance and Asset Management at Columbia Business School and is the academic Director of the Heilbrunn Center for Graham & Dodd Investing. Described by the New York Times as “a guru to Wall Street’s gurus,” Greenwald is an authority on value investing with additional expertise in productivity and the economics of information.
This presentation was given at the Post Keynesian Conference in 2014 and is a great overview of his modern approach to value investing.