Mark Paolucci, a 32-year employee of Cessna Aircraft, announced that he is retiring from his position as senior v-p of sales at the end of the year. Paolucci started with Cessna as a design engineer in 1979. Cessna is dividing sales into western and eastern hemispheres, which will be run by Tim White, v-p of sales, the Americas; and Trevor Esling, who was promoted to v-p of sales, Europe, Middle East, Africa and Asia.