Dave has given over 1,000 workshops and speeches over the past decade on sales and leadership development and has spoken in fifteen countries.
Dave is author of twelve books, including the TKO Business Series, Up Your Business, If You Don't Make Waves You'll Drown, How to Run Your Business by THE BOOK, and How to Lead by THE BOOK.
He authors a monthly leadership column for two national magazines and his interviews and articles have appeared in hundreds of publications including: The Wall Street Journal, Investor's Business Daily and US News & World Report. He was a featured speaker at the NADA Convention for ten straight years and is a frequent panelist on MSNBC's Your Business show.
Dave, along with his wife Rhonda, is the co-founder of the Matthew 25:35 Foundation, whose mission is to bring food, housing, clothing, healing, and Christ to under-resourced and imprisoned people worldwide.