Retail Midwest Cushman & Wakefield names head of North America Retail Services group Gene Spiegelman Gene Spiegelman has been named head of Cushman & Wakefield's North America Retail Services group. Gene Spiegelman has been named head of Cushman & Wakefield's North America Retail Services group. Since joining the firm nearly 15 years ago, Spiegelman has consistently ranked among Cushman & Wakefield's top producers. He has also taken a leadership role in the firm's global retail expansion initiatives. tagsMinnesota Real Estate Journal