He began his career with Bridgestone Brazil in 1996 as an engineer at the firm's Santo Andre plant. He also has served as a plant manager. Abdallah joined the company at the Americas Technical Center in 1997 and has held various product development positions, including manager of two materials development departments. He also led an 18-month single, non-core innovation project reporting to the company's corporate headquarters. Kozy started his career with Bridgestone in 1981 as a process engineer for commercial tires. Since then, he has been involved in compound development for commercial and consumer tires, as well as raw material development. He transitioned to management in 1994 and has held several posts since then, including director of compound development and laboratories. Most recently Henegar served as director of research and development for Firestone Building Products. He joined Bridgestone as a junior engineer in 1991.