KALAMAZOO, MI (WHTC) - A Hope College graduate will become a vice president and chief financial officer for Kalamazoo-based Stryker Corporation on April 22nd. William Jellison is leaving dental product maker Dentsply International after 15 years, the last eight as its top economist, to oversee Stryker’s global finance and information technology activities. Jellison replaces Dean Bergy, who returns to his corporate secretary position with Stryker.