Share Your browser does not support iframes, but you can use the following link: Link Don Grommesh, Bill Lear’s employee No. 8, served as chief engineer, vice president of Learjet engineering and vice president and general manager of customer service. Al Higdon, Joined Lear Jet in 1964 and helped make Learjet a household name. Higdon, now retired, is co-founder of Sullivan, Higdon & Sink, now Signal Theory. Dave Franson, joined Learjet as director of public affairs from 1997 and served for seven years. Franson is now president of the Wichita Aero Club. Photo credit: Learjet Don't miss a single episode. Subscribe to Aviation Week's podcasts in iTunes, Stitcher, Spotify and Google Play. Please leave us a review.