John Ternus: The Engineer Has Entered the Building
The Leadership Leaderboard · September 2026 John Ternus: The Engineer Has Entered the Building Real Moves. Real Lessons. One Leader at a Time. 5 min read John Ternus, CEO of Apple, Image: © Apple Inc. — used for editorial reference. We scored John Ternus four stars in April before he had even started. He became Apple CEO on 1 September 2026. Eight days later he walked on stage for the first time and unveiled the foldable iPhone. Here is how the reality compared to the prediction.