Earlier this month, a 29-year-old took control over the finances of a company worth nearly $100 billion.
David Knopf, a partner at private equity firm 3G Capital, was appointed CFO of Kraft Heinz Co. (KHC) - Get Report on Sept. 8, replacing Paulo Basilio. 3G owns 23.9% of Kraft Heinz since orchestrating the merger of Kraft and Heinz with Berkshire Hathaway Inc. (BRK.B) - Get Report , which itself holds a 26.7% stake.
Knopf, a Goldman Sachs Group Inc. (GS) - Get Report alum, is still older than Joshua Kobza was when he became CFO of Restaurant Brands International Inc. (QSR) - Get Report at 28 in 2013. The Burger King, Tim Hortons and Popeyes parent is also backed by 3G.
Here's a look at some other young execs at major companies.
Mark Zuckerberg, Facebook
Famously launching Facebook Inc. (FB) - Get Report from his dorm room at age 19, Mark Zuckerberg was just 28 when the company went public. Since then, the 33-year-old has led Facebook shares to a compound annual growth rate of 32.4%, compared to the S&P's 13.1% growth during the period.
Joseph Levin, IAC/InterActiveCorp
38-year-old Joey Levin has been CEO of Barry Diller's internet company IAC/InterActiveCorp (IAC) - Get Report for two years. He also serves on the board of Match Group Inc. (MTCH) - Get Report and Groupon Inc. (GRPN) - Get Report . Like Knopf, he's a former investment banker.
Evan Spiegel, Snapchat
Like Facebook's Zuckerberg, Evan Spiegel, the co-founder and CEO of Snapchat parent Snap Inc. (SNAP) - Get Report , left college to run the then-startup. He and Snap co-founder and CTO Bobby Murphy control the company, which went public in March.
Keith Cozza, Icahn Enterprises
After 10 years at Icahn Enterprises LP (IEP) - Get Report , Keith Cozza, now 38, became its CEO in 2014. The conglomerate is controlled by 81-year-old investor Karl Icahn. Cozza is also a director at one of Icahn's most famous investments, Herbalife Ltd. (HLF) - Get Report .
James Park, Fitbit
A Harvard dropout like Zuckerberg, James Park co-founded fitness wearables maker Fitbit Inc. (FIT) - Get Report . His latest challenge is to make wearables a necessity rather than a mere accessory: Fitbit shares are down 13.8% in 2017 and 62.8% year over year.
Stefan Larsson, Ralph Lauren
As president of Gap Inc.'s (GPS) - Get Report Old Navy, Stefan Larsson, an H&M veteran, transformed the brand into Gap's top-performing segment. He then succeeded founder Ralph Lauren as CEO of Ralph Lauren Corp. (RL) - Get Report when he was barely 40, leaving on May 1 after less than two years due to differences with Lauren.
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