Ten United Taps Ethnographer

David Grzelak has joined Ten United in Columbus, Ohio, as director of ethnography, leading its Behaviorial Insights Group. The new group will work with all the shop’s clients to gain a deeper understanding of their respective target customers. Grzelak was previously a marketing research manager at Hallmark in Kansas City, Mo., and also has worked for clients including DaimlerChrysler, Whirlpool and the U.S. Judo Foundation. He has a master’s degree in business anthropology from Wayne State University in Detroit.