The McDonald’s Corp. announced it will open its new corporate headquarters in Chicago’s West Loop neighborhood. The move marks a return to Chicago where the company was headquartered from 1955 to 1971. In addition to the approximately 2,000 people based there, it will house the flagship Hamburger University location, providing state-of-the-art learning for the company’s employees and future leaders. The LEED certifiable building reflects McDonald’s commitment to sustainability. All waste produced in the test kitchens will be composted and the building also features a green roof. Throughout the building are nods to McDonald’s heritage including museum-quality displays of Happy Meal toys, vintage memorabilia and a tribute wall to McDonald’s groundbreaking leaders, inventors and owner-operators. The building was developed by Sterling Bay; Gensler served as architect of record; interiors were designed by IA Interior Architects and Studio O+A; and the general contractors were McHugh & ECI Executive Construction Inc. McDonald’s office space, including Hamburger University will occupy 490,000 square feet of the building.