WingHaven®, a thriving master-planned, mixed-use community in O'Fallon, MO anchored by MasterCard’s Global Technology and Operations Headquarters, offers countless amenities and opportunities for residents and businesses. The 1,200-acre, mixed-use development includes 2,800 residences, 1.7 million square feet of commercial space and an 18-hole Jack Nicklaus Golf Course. WingHaven provides over 8,000 jobs in its community.