Trevor M. Creed, Chrysler’s 63-year-old Senior V-P of Design, is retiring at the end of this month. Creed came from Ford in 1985 as Director of Interior Design. In his tenure, he played what company CEO Bob Nardelli called a “key leadership role” in the development of the Chrysler 300C, PT Cruiser, Dodge Challenger, Ram, Viper and Plymouth Prowler. "Trevor has led a distinguished automotive design career," said Nardelli. "We thank him for his contribution to the Company and wish him well in his retirement."Creed will be succeeded on September 1 by Ralph V. Gilles, 38, currently Vice President of Jeep, Truck and Advance Interior Design and is responsible for the styling of the new Dodge Ram pickup. Gilles is also credited with the conception of the Chrysler 300 sedan’s distinctive look. Gilles joined Chrysler in 1992.In another change in the company’s management hierarchy, Gilles will report to Frank O. Klegon, Executive Vice President of Product Development. Creed had reported directly to Nardelli but Chrysler calls the change an improvement that will allow the groups to work together.Chrysler also announced another executive change. Andreas A. Schell has been appointed Vice President of Electrical / Electronics Engineering Core, effective immediately. Schell will be in charge of all electrical and electronics engineering design, development, quality and "voice of the customer" activities, succeeding William H. Mattingly, who left the Company last month. Schell is a crossover from Daimler-Benz which he joined in 1996 as a research engineer. He most recently served as director of Chrysler’s Recovery and Transformation Plan and Strategy.