At A Glance: Express Convenience Centers   Stores: 19 in the Fox Cities region of Wisconsin. Fuel: 17 proprietary-branded Excelerator stati ons and two BP stations. Leadership Team: • John Schmidt, President and CEO, U.S. Venture • Paul Sippl, Director of Branded Fuel Supply, U.S. Venture • Jim Anholzer, General Manager, Express Convenience Centers •…