Global public relations firm Porter Novelli has named Sonia Sroka senior vice president, U.S. Hispanic practice leader. This is a new post for the agency and represents the growing need for fully integrated Hispanic offerings for the agency's clients. In her prior post as a vice president, Sroka (pictured) delivered counsel and expertise on the Hispanic market across a comprehensive range of industries, including consumer products, healthcare, food and beverage, retail, corporate and financial services. Porter Novelli also announced that Guillermo (Willy) Villarreal has joined the agency as an account manager in the U.S. Hispanic practice and will be based in its Los Angeles office. Villarreal comes to Porter Novelli from Edelman, where he was a member of its Hispanic group since 2008.