Brian Underhill

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Brian O. Underhill, Ph.D., PCC, is an industry-recognized expert in the design and management of worldwide executive coaching implementations.  He is the Founder and CEO of CoachSource, the world's largest executive coaching provider, with over 1,100 coaches in 100+ countries.  Previously, he managed executive coaching operations for Marshall Goldsmith, the world's #1 coach.

Brian’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 “mini-surveys”—a unique measurement tool to help impact behavioral change over time.  He is an internationally sought-after speaker, addressing The Conference Board, ICF, EMCC, and many regional coaching events.  Brian is the co-editor of "Coach Me! Your Personal Board of Directors" (Wiley, 2022) and "Mastering Executive Coaching" (Routledge, 2019), author of "Executive Coaching for Results: The Definitive Guide to Developing Organizational Leaders" (Berrett-Koehler: 2007), as well as author of numerous articles and blogs in the coaching field. He was nominated as a Thinkers50 Leading Global Coach in 2019.

Brian resides in Silicon Valley where he enjoys cycling, racquetball, plays music as a worship musician and spends time with his wife, Julie, and kids, Kaitlyn (21) and Evan (19).