His research focuses on organizational climate and culture, leadership, levels of analysis, organizational citizenship behavior, and work stress. He has published over twenty articles on these topics in such outlets as Journal of Applied Psychology, Academy of Management Journal, Personnel Psychology, Journal of Management, and Journal of Organizational Behavior. With Ben Schneider and Bill Macey, he has recently co-authored an Annual Review chapter and two handbook chapters on climate and culture, in addition to the forthcoming book Organizational Climate and Culture: An Introduction to Theory, Research, and Practice. His teaching at both the undergraduate and master’s level primarily focuses on the areas of leadership, climate, and culture.