His teaching focuses on organizational behavior, teamwork and leadership, and his research focuses primarily on newcomer socialization and training, organizational culture, social networks and leadership development. Professor Rollag has published articles in MIT/Sloan Management Review, Journal of Organizational Behavior, Journal of Occupational and Organizational Psychology, Journal of Management Education, and Contingent Workforce Strategies. His research has also been featured in Harvard Management Update, Stanford Social Innovation Review, Wired News, IEEE Spectrum, New Venture Development, and the Boston Business Journal. Prior to obtaining his Ph.D. in Industrial Engineering from Stanford University, he was a product development manager at Procter & Gamble.​​​​​