Rollin has been with HeartMath since its creation in 1991. He is a psychophysiologist and a professor at Florida Atlantic University. He has written extensively and been widely published in his areas of scientific interest. He holds numerous memberships, including with the American Autonomic Society, Pavlovian Society, National Association for Psychological Science, Association for Applied Psychophysiology and Biofeedback and Society for Scientific Exploration and is director of research and project coordinator of the Global Coherence Monitoring System.