David has delivered successful ROI leadership and coaching work to thousands of senior executives and CEOs in dozens of countries, is certified in over 100 psychometric self-report and 360 assessment instruments, online/F2F experiential simulations, and has delivered over 500 leadership and team interventions to 2/3 of the Fortune 100 globally since 1995. He has co-written books and articles on influence tactics, communicating vision, leadership networking, along with delivering keynotes on these topics in Bali, Bangkok, Dubai, London, Kuala Lumpur, Phuket, Saudi Arabia, Shanghai and throughout the USA.