Before she earned her doctorate in nutrition and dietetics from Ohio State University, Dr. Zeman worked as a dietitian for Cleveland City Hospital in Cleveland. She subsequently taught in the nutrition department at Kent State University. She came to UC Davis, in 1964. At UCD, Dr. Zeman, a Registered Dietitian, was a professor of dietetics and nutrition and was involved in years of research in her field of developmental nutrition and teratology. During her years at the university, she was invited to be a visiting scientist at the Dunn Nutrition Laboratory in Cambridge, England. She authored or co-authored more than 70 research papers and three textbooks, including "Clinical Nutrition and Dietetics” the premier text in the field during the 1980-90’s.