HOK of St. Louis has announced the additions in Chicago of Luigi Franceschina as vice president and director of retail design; Adam Berkelhamer as senior associate and senior project designer; Fernando Araujo as technical director; and Kirti Patel as business manager. Previously, Franceschina was senior design manager in the Midwest of Seattle-based Starbucks Coffee Co.; Berkelhamer was lead architect for Switzerland’s Calatrava Valls; Araujo was technical leader and senior project manager for Chicago-based OWP/P Inc.; and Patel was accounting systems manager for Teng & Associates, also in Chicago . HOK is an architectural and interior-design firm.