Raj Nair, president of Ford North America, has departed the automaker effective immediately.

Ford announced the decision came after a recent internal investigation into reports of “inappropriate behavior.” According to the American automaker, the review determined certain behavior by Nair was inconsistent with the company’s code of conduct.

Nair assumed the role of president of Ford North America on June 1, 2017 and prior to that, he served as Ford’s head of global product development and chief technical officer. He helped oversee multiple successful product launches, including the Ford GT, Focus RS, F-150, and more. Nair first joined Ford in 1987 as an engineer, according to a company bio.

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“We made this decision after a thorough review and careful consideration,” said Ford president and CEO Jim Hackett in a statement. “Ford is deeply committed to providing and nurturing a safe and respectful culture and we expect our leaders to fully uphold these values.”

“I sincerely regret that there have been instances where I have not exhibited leadership behaviors consistent with the principles that the Company and I have always espoused,” said Nair in the same statement released by Ford. “I continue to have the utmost faith in the people of Ford MotorCompany and wish them continued success in the future.”

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