"David L. Katz (born 20 February 1963 in Los Angeles, California) is a nutritionist and the founding director of the Prevention Research Center at Yale University, as well as an associate professor of public health practice at the Yale University School of Medicine. In 2005, Katz was appointed the associate director for nutrition science at the Rudd Center for Food Policy and Obesity at Yale."@en . . "David L. Katz"@en . "1963-02-20Z"^^ . . . . . .