Bob is author of Amazon's #1 selling advertising book, 101 Contrarian Ideas About Advertising. He also writes The Ad Contrarian blog, which was named one of the world's most influential advertising and marketing blogs by Business Insider. In 2012, Bob was selected Ad Person of the Year by the San Francisco Ad Club. The leaders of Type A are Sharon Krinsky and Bob Hoffman. Bob and Sharon were partners in one of the West’s most successful independent agencies. In addition to building and selling two agencies with cumulative billings over $250 million, Bob and Sharon have developed marketing strategies and advertising for some of the world’s largest brands including Toyota, McDonald’s, Bank of America, Blue Cross, Pepsi and AT&T.