Among the first wave of marketers to grasp the potential of digital, John began to focus on exclusively on interactivity in 1995. He never looked back.

Currently, John is Managing Partner and CEO of Catalyst S+F an advertising and marketing firm. Catalyst clients include many large brands such as Del Monte Foods, Fiat Motors, World Markets and Time Warner Cable.

Over the course of his career, he's held a number of leadership positions in the industry. He served as President of Winstar Interactive; President of Pericles Consulting; and EVP, Business Development for Carat Fusion. Most recently, he was President of Sales and Marketing for Jumpstart Automotive Media, where he successfully engineered the company's sale to Hachette Filipacci. In 2007, he and Cory Treffiletti co-founded Catalyst.

Not content to lead the current generation of marketing professionals, John also stays busy preparing the next. He's taught marketing at the University of San Francisco since 1992 earning a Teacher of the Year award in 2008.