BJ Fogg is a prominent behavior scientist and the founder of the Behavior Design Lab at Stanford University. He is known for his research on how technology can influence human behavior and for developing the Fogg Behavior Model, which explains how motivation, ability, and prompts work together to drive behavior change. Fogg has authored several books and articles, including "Tiny Habits," which emphasizes the importance of starting small to create lasting change. His work has influenced various fields, including health, education, and technology, helping individuals and organizations design effective behavior change strategies.