Fiat head Elkann world's 4th top under-40 exec - Fortune
Mayer, Dorsey, Zuckerberg ahead of him23 September, 15:47
Yahoo! CEO Marissa Mayer led the Top 40 Under 40 list ahead of Square CEO Jack Dorsey and Facebook founder Mark Zuckerberg.
Elkann, 37, heir of his grandfather Gianni Agnelli, heads Italy's long-dominant carmaker Fiat, which also owns Alfa Romeo, Lancia, Maserati and Ferrari.
In July 2011, after the US financial crisis rocked its car industry, Fiat took control of Chrysler.