AMD

American semiconductor company founded by Jerry Sanders in 1969 — which has competed with Intel in CPUs and Nvidia in GPUs — and which under Lisa Su's leadership (from 2014) executed one of the greatest corporate turnarounds in semiconductor history.

Under Lisa Su, transformed from near-bankruptcy to competitive threat against both Intel and Nvidia — demonstrating that a well-executed turnaround strategy (focus on high-performance computing, not commodity parts) can revive a company that analysts had written off.