Known most famously for his Principles of Persuasion method, Robert Cialdini is an influential figure.
He is a professor at Arizona State University as well as a visiting professor at Stanford University and the University of California, and has spent his long career researching the science of influence, negotiation and compliance. He is a New York Times bestselling author and has written multiple books including Yes! 50 Scientifically Proven Ways to be Persuasive.