Bestselling author and celebrated marketing speaker Scott Galloway has spent his career learning what makes the world’s leading companies tick.

With the perspective of a master professor, Scott Galloway reveals the mechanisms behind the tech sector’s greatest successes. The Four: The Hidden DNA of Amazon, Apple, Facebook and Google shows how these giants conquered the economy by reshaping it. As a speaker, Scott Galloway offers the same breezily informative style that made The Four a New York Times bestseller.

A Professor of Marketing at NYU’s Stern School of Business, Galloway maintains the Digital IQ Index, a global brand ranking. Poets & Quants named him one of the World’s 50 Best Business School Professors. Above all, his teaching draws on his success as an entrepreneur. Among the many firms Galloway has founded are Red Envelope, which at its peak generated $100 million in annual revenue. He also founded Prophet, an integrated brand-consulting firm that employs more than 250 people.

Lastly, The World Economic Forum recognized Galloway’s contributions by naming him one of 100 “Global Leaders of Tomorrow” under age 40. Additionally, he serves on the boards of The New York Times Company, Eddie Bauer, and UC Berkeley’s Haas School of Business. He earned a BA from UCLA and an MBA from UC Berkeley.