Univision Communications Inc. announced that Roberto Llamas is joining the company as executive vice president and chief human resources officer. He will be based in New York City and report to president and CEO Joe Uva.”Bob will play a critical role in ensuring we retain and continue to attract the best talent in the industry while continuing to focus on our goal of informing, entertaining and empowering Hispanics in the U.S., said Uva.Llamas joins Univisión from Nielsen where he served as chief human resources officer for the consumer research and information company.