Stuart Redsun, Under Armour's SVP of global brand marketing, has resigned, according to the Baltimore Business Journal.

A spokeswoman for Under Armour confirmed that Redsun’s last day with the company was July 6. Redsun joined Under Armour in October as senior vice president of global brand marketing. Previously, Redsun was senior vice president of marketing for Sony Corp. of America.

In an email, Under Armour spokeswoman Erin Wendell said Redsun “decided to leave.”

At Under Armour, he worked on projects involving the company’s boxer brief line, its European marketing efforts and advertising campaigns featuring NFL quarterbacks Tom Brady and Cam Newton.