Bob regularly addresses audiences ranging in size from 50 to 16,000 -- sharing the platform with notables including today's top thought leaders, broadcast personalities, Olympic athletes and political leaders including a former United States President.

Although for years he was best known for his book Endless Referrals, over the past few years it's his business parable. The Go-Giver (coauthored with John David Mann) that has captured the imagination of his readers.

The Go-Giver, a The Wall Street Journal and BusinessWeek Bestseller, has sold over 700,000 copies. Since its release it has consistently stayed in the top 25 on 800CEOREAD's Business Book Bestsellers List. It has been translated into 21 languages. It was rated #10 on Inc. Magazine's list of the Most Motivational Books Ever Written, and was on HubSpot's 20 Most Highly Rated Sales Books of All Time.

The American Management Association named Bob one of the Top 30 Leaders in Business and he was named one of the Top 200 Most Influential Authors in the World by Richtopia.