Dr Jeffrey Hull
New York, USA and Amsterdam, Netherlands
Executive Director, Institute of Coaching, McLean Hospital; clinical instructor in psychology, Harvard Medical School
Executive Director of the Institute of Coaching at McLean Hospital, a Harvard Medical School affiliate; clinical instructor in psychology at Harvard Medical School; adjunct professor of leadership at New York University; founder of LeaderShift Inc.
Why this placement
Joint recipient of the Thinkers50 Distinguished Achievement Award for Coaching & Mentoring (2025) — externally conferred, panel-decided, and free of circularity, since he holds no Thinkers50 role.
The Science of Leadership (Berrett-Koehler, 2025) and Flex (TarcherPerigee, 2019) are both on serious independent publishers, and his teaching appointments at Harvard Medical School and NYU place him among the small number of practitioners who also train the next generation formally.
Editorial notes and exclusions
- His 2025 award is shared with Margaret Moore at entry 8, and The Science of Leadership is co-authored with her. Both are listed because each has an independent record beyond the shared credential, but that credential should be read once, not twice.
- He is Executive Director of the Institute of Coaching and Moore is its co-founder, so nothing hosted on instituteofcoaching.org is treated as third-party recognition for either.
- No LinkedIn profile is linked: two live profiles exist under his name and the canonical one could not be established.
- A "Forbes Top Business Books 2019" badge and publisher jacket copy describing him as one of the world's preeminent leadership coaches are marketing, not recognition, and are excluded.
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