John Gumas is the president of Gumas Advertising, an award-winning branding, advertising and interactive marketing agency he founded in 1984. A veteran of the advertising and marketing industry, John has built Gumas Advertising into a successful firm that works with a host of local, national and international Challenger Brand clients.

John is a highly sought-after speaker and has given countless presentations on Challenger Brand marketing to his peers in the profession, companies, conferences, college students and, on occasion, his barber!

John currently sits on many boards, including the San Francisco Giants Community Fund, The San Francisco Chamber of Commerce, The San Francisco State University Foundation, The Greater San Francisco Advertising Club and The Elios Society. In addition, John is an adjunct professor of advertising and marketing, a regular columnist for numerous publications, an author and a frequent speaker.