Henry Hansel ’70 and son Justin Hansel ’96 oversee the largest group of car dealers in Sonoma County, a business with $288 million in sales last year. Henry Hansel is the son of the group’s founder, Walter C. Hansel, and is president of the Hansel Auto Group, which has four dealerships in Santa Rosa and three in Petaluma. Justin Hansel, one of two group general managers, is the fifth generation in the transportation business.