He also directs the social network research program for IBM’s Institute for Knowledge-Based Organizations in Cambridge, Massachusetts, where he has worked with more than fifty well-known companies and government agencies in applying network concepts to critical business issues. His work on social networks has been published in Harvard Business Review, Sloan Management Review, California Management Review, Organizational Dynamics, and Business Horizons. He is also the author of two books, Networks in the Knowledge Economy (Oxford University Press, 2004) and The Hidden Power of Social Networks: Understanding How Work Really Gets Done in Organizations(Harvard Business School Press, 2004). Cross holds a B.S. and an M.B.A. from the University of Virginia and a Ph.D. from Boston University.