Two months ago, Mr. Julow denied he planned to leave the automaker Dec. 1.
Mr. Julow, 49, started his career in in 1976 as a product planner at Ford Motor Co. and joined American Motors Corp. the next year as an advanced powertrain engineer. He joined Chrysler in 1987 following its acquisition of AMC and was soon converted from engineering to marketing.
Mr. Julow's first marketing
Deal with Universal
Under Mr. Julow, Dodge inked a co-marketing deal in 1999 with Universal Studios. Dodge used Universal cartoon characters, including Popeye, Spider-Man and Dudley Do-Right in its 1999 ads from Omnicom Group's BBDO Worldwide, Troy, Mich., and held a Caravan minivan owners' event at Universal's theme park in Orlando that drew thousands of customers.
Dodge took first place last month in its initial year competing in the Monster Truck Racing Association. Dodge didn't fare as well in its second NASCAR season, finishing third in the manufacturer's battle and 13th in the drivers' competition.
John Fernandez, motorsports' engineering director, assumes Mr. Julow's racing duties. Dan Knott, a product team director, assumes his responsibilities on speciality vehicles.