BA, Yale Univ.; PhD, Univ. of Texas, Austin. Former faculty member, Univ. of Maryland. Currently, Vice-Dean, Social Impact Initiative & Edward H. Bowman Prof. of Mgmt, Wharton School, Univ. of Pennsylvania. Has conducted extensive field research on team leadership, conflict, social networks and effectiveness; organizational change and technology implementation; employee diversity; and employee responses to stock ownership and stock options. Research has been published in Academy of Management Journal, Academy of Management Review, Administrative Science Quarterly, and Journal of Applied Psychology. Fellow: Academy of Management; Society for Industrial and Organizational Psychology; American Psychological Association; Association for Psychological Science. Former Associate Editor, Journal of Applied Psychology; Associate Editor, Administrative Science Quarterly.