Glenn Corp. Names Williams VP of Sales and Marketing Glenn Corporation: appointed Jerry Williams as vice president–sales and marketing of this supplier of specialty ingredients in the Midwest and Southeastern U.S. He joins the company with more than 25 years of chemical industry experience in both product sales and the marketing services sectors. Prior to joining Glenn Corporation, Mr. Williams spent five years as vice president of sales for Chemidex. He also spent 21 years with Chemcentral...