Nir Eyal writes, consults, and teaches about the intersection of psychology, technology, and business. Nir previously taught as a Lecturer in Marketing at the Stanford Graduate School of Business and the Hasso Plattner Institute of Design at Stanford. Nir co-founded and sold two tech companies since 2003 and was dubbed by The M.I.T. Technology Review as, "The Prophet of Habit-Forming Technology."