Scott Galloway is an American academic, author, public speaker, and entrepreneur. He currently serves as a Clinical Professor of Marketing at the NYU Stern School of Business, a position he has held since 2002. At NYU Stern, he teaches brand strategy, digital marketing, and brand management to second-year MBA students. His research often focuses on the strategies and impact of the Big Four tech companies: Alphabet, Amazon, Meta, and Apple, which he refers to as "The Four.