Dr. Underhill, Ph.D. is an industry-recognized expert in the design and management of worldwide executive coaching implementations. Dr. Underhill is the author of Executive Coaching for Results: The Definitive Guide to Developing Organizational Leaders (Berrett Koehler: 2007). He is the Founder of CoachSource, the world`s largest executive-coaching provider, with over 1,000 coaches in 43 countries, and the Alexcel Group. Additionally, he previously spent 8 years managing executive coaching operations for Marshall Goldsmith. Dr. Underhill’s executive coaching work has successfully focused on helping clients achieve positive, measurable, long-term change in leadership behavior. He has also helped pioneer the use of "minisurveys"— a unique measurement tool to help impact behavioral change over time. Dr. Underhill’s next article on Microsoft`s coaching program will appear in the forthcoming "Coaching For Leadership, Third Edition" (Pfeiffer: 2012). He is an internationally sought-after speaker, addressing The Conference Board, Linkage, and regional ASTD, SHRM HRPS, PCMA events.

Dr. Underhill resides in Silicon Valley where he plays soccer, plays music as a worship leader and spends time with his children Kaitlyn (11) and Evan (9). Dr. Underhill has a Ph.D. and an M.S. degree in organizational psychology from the California School of Professional Psychology (Los Angeles) and a B.A. in psychology from the University of Southern California. Dr. Underhill holds Advanced Certification in the Goldsmith Coaching Process.