For more than two decades, Kim Zoller and Kerry Preston have built successful, highly customized coaching training programs for Fortune 500 companies around the world. Recognized experts in business protocol, branding, leadership development, and presentation and communication skills, as well as customer service and sales training. They are the authors of Enhancing Your Executive Edge—How to Develop the Skills to Lead and Succeed , “ You Did What?” The Biggest Mistakes Professionals Make and “You Said What?” The Biggest Communication Mistakes Professionals Make.