Dennis J. Hiffman has been involved in Real Estate Brokerage for over 50years. During that period he has been a general partner in the development and/or acquisition of 1.25 million square feet of office buildings, including the Old Orchard Plaza in Skokie, Illinois; the Garretson & Santora Building in Sioux Falls, South Dakota; the Midwest Office Center and One Oakbrook Terrace in Oakbrook Terrace, Illinois, 180 N. Wacker Drive in Chicago and some 2.5 million square feet of retail shopping centers, including Orland Park Place, Orland Park, Broadview Village Square, Broadview, Broadway Center in Chicago, Oak Brook Promenade, Oak Brook, and Main Street Village, Orland Park, and over 12 million square feet of industrial space throughout the United States.