American educator, boss of Khan Academy, a free online learning site that more than 100m people use annually. In 2013 The Economist mused that he might well be awarded a Nobel peace prize for running the largest educational institution in history.
In late 2025 Mr Khan was named "vision steward" of TED, working alongside new chief executive Logan McClure Davda. He remains at Khan Academy and is not paid by TED. The two organisations plan to work together in education technology, one aiming videos at children (Khan Academy), the other at adults (TED).
Fame may be fleeting but obscurity is forever.