The full ranking
Shareholder value created from the announcement of each CEO's arrival to the announcement of their exit, or through today for those still in the chair, in inflation-adjusted 2026 dollars. Founders measuring from their own IPO do not qualify; this is what a chosen successor or outside hire built.
Sundar Pichai (Google/Alphabet, 2015-present, $3.9T)
Handed the Google CEO job in the August 2015 Alphabet restructuring, when the company was worth about $445 billion; today Alphabet is a $4.6 trillion company and he runs all of it. Search survived the chatbot scare, Gemini caught the frontier, and Cloud, YouTube, and Waymo became giants in their own right.
Tim Cook (Apple, 2011-2026, $3.5T)
The operator who followed a legend. Apple was worth $349 billion the day Jobs resigned in August 2011 and about $4 trillion when Cook announced in April 2026 that John Ternus would take over, roughly $3.5 trillion of created value across fifteen years of iPhone, services, and silicon.
Satya Nadella (Microsoft, 2014-present, $2.9T)
Microsoft was a $300 billion also-ran in mobile and search when he was named CEO in February 2014. Cloud first, then AI first: at $3.3 trillion and counting, his run has created more value than any hired chief executive in history except the two above him.
C.C. Wei (TSMC, 2018-present, $1.9T)
Named in founder Morris Chang's October 2017 succession plan and sole CEO since June 2018, Wei took a roughly $190 billion foundry and turned it into the $2.2 trillion company that fabricates nearly every advanced AI chip on Earth.
Warren Buffett (Berkshire Hathaway, 1965-2025, $1.2T)
Took control of a failing $20 million New England textile maker in May 1965 and announced his retirement at the 2025 annual meeting with Berkshire worth about $1.16 trillion. Sixty years, a roughly 58,000-fold gain, and the only entry measured across seven decades of compounding.
Sanjay Mehrotra (Micron, 2017-present, $1.05T)
The SanDisk co-founder was hired to run Micron in 2017 when it was worth about $31 billion; the AI memory squeeze and his HBM bet carried it past $1 trillion by 2026. The largest value creation run in the history of the memory business.
Kwak Noh-jung (SK Hynix, 2022-present, $1.03T)
Promoted to CEO in late 2021 when SK Hynix was a $75 billion memory maker, Kwak bet the company on high-bandwidth memory and became Nvidia's indispensable supplier. By mid-2026 SK Hynix had passed $1.1 trillion, the fastest run to a trillion on this list.
Jack Welch (General Electric, 1981-2001, $890B)
GE was a $12 billion industrial when his succession was announced in December 1980; when he named Jeff Immelt his heir in November 2000 it was the most valuable company in the world at roughly $490 billion. For two decades the gold standard of American management, whatever came after.
David Ricks (Eli Lilly, 2017-present, $865B)
Eli Lilly was an $88 billion drugmaker when his promotion was announced in July 2016. Mounjaro and Zepbound later, it is the most valuable pharmaceutical company in history, within sight of $1 trillion by 2026.
Lisa Su (AMD, 2014-present, $840B)
AMD traded under $3 a share, a $2.3 billion company fighting for survival, when she took over in October 2014. Ryzen, EPYC, and the Instinct line later, AMD is worth more than $840 billion and Su has authored the greatest turnaround in semiconductor history.
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