[1][2][3] He is also the chairman of Garrett Motion, and was formerly the CEO of Icahn Enterprises as well as co-chairman, co-CEO of Federal-Mogul.
He played varsity golf for Columbia and was the president of the Beta Theta Pi chapter.
[11] Described by The Wall Street Journal and CNBC as a lieutenant of billionaire Carl Icahn,[12] he served various positions in the latter's Fortune 500 holding company Icahn Enterprises, from 2010 to 2014, including director, chief executive officer and president.
[18] From 2014 to 2021, he was also a director of The Hertz Corporation, and helped oversee the company's bankruptcy and its successful restructuring.
[19] In August 2021, Ninivaggi was appointed CEO of electric vehicle manufacturer Lordstown Motors after its founder and CEO, Steve Burns, resigned amidst financial and legal scrutiny into the company and its leadership.