WARRENVILLE, IL: Navistar International Corporation has appointed Jon F. Harmon VP corporate communications. Harmon was previously at Force for Good Communications, a PR consultancy he launched earlier this year. Before starting Force he worked at Ford Motor Company for 23 years where he held senior roles in product communications, corporate reputation management and strategic communications. At Navistar Harmon will report to Gregory Elliott, VP corporate human resources and administration. Navistar is the parent company of International Truck and Engine Corporation and produces International brand commercial trucks, mid-range diesel engines and IC brand school buses, Workhorse brand chassis for motor homes and step vans, and is a private label designer and manufacturer of diesel engines for the pickup truck, van and SUV markets.