New York-based The Doneger Group has appointed Jonathan Greller as COO. In this newly created position, Greller will work directly with president and CEO Abbey Doneger in driving the company’s next phase of development. Greller joins the company with nearly 20 years of merchandising experience. He most recently served as Lord & Taylor/Hudson’s Bay senior vice president and general merchandise manager of ladies sportswear, dresses, swim and outerwear.