Crucial Conversations – Kerry Patterson, Joseph Grenny, Ron McMillan, Al Switzler
David is an internationally-recognized keynote speaker, sales trainer, and business coach. He focuses on bringing the human-to-human back into sales, social media, networking, and entrepreneurship.
He is the best-selling author of 12 books on sales, networking, social media, and entrepreneurship. And he is also a prolific contributor to blogs in the sales and marketing space.
His goal is simple: help people become RockStars in their professional lives so that they can have a positive impact on those around them.