MagSafe MagSafe from Terry McCallum MagSafe Core engineering, testing, ID integration. Produced numerous prototypes, test vehicles, and iterations to make the product work just right. gLike MagSafe Core engineering, testing, ID integration. Produced numerous prototypes, test vehicles, and iterations to make the product work just right. Engineering Share R 7 n Terry McCallum Senior Product Development Engineer Milwaukee, WI Follow Contact