Research and consulting involve the influence of emotions and emotional intelligence on work behavior, organizational culture and change, team behavior, executives and their management teams, the effect of personality on managerial performance, and power and politics in organizations. Has written about emotional contagion in groups, emotional intelligence, the influence of dispositional affect on managerial decision making, the fit between individuals' personalities and other's in their work teams, organizational culture, the escalation of commitment in the banking crisis, and the study of power and emotion in organizational behavior. Sample consultancies include Del Monte, GlaxoSmithKline, Jewish Lifecare Systems, Levi Strauss, Merrill Lynch, NBA - National Basketball Association, Oxford Health Plans, Philadelphia Gas Works, and Wyndham Worldwide.