NEW YORK, Jan. 30, 2013 /PRNewswire/ -- Global public relations leader Porter Novelli announced that Diana Valencia has joined the company as senior vice president, multicultural marketing. In leading this practice, Valencia will oversee client programming designed to reach all demographic segments under the multicultural umbrella. "Diana's career-long focus on multicultural markets, coupled with her extensive experience in mobile and digital, will be of tremendous value for clients as they create and nurture relationships with these extremely brand-loyal audiences," said " Darlan Monterisi, executive vice president, managing director of Porter Novelli's New York office, to whom Valencia will report. "Diana brings to Porter Novelli impressive expertise, a strong track record of driving growth and a collaborative work style. We are excited about where she will take our multicultural practice in the future." Valencia has worked in both corporate and agency roles over the course of her career. She spent nearly five years with Univision Interactive Media in New York, most recently as senior director, mobile sales development, leading strategic operations for the discipline. Before that she was director, mobile content & services for Univision – working out of Los Angeles and New York – leading a team of wireless project managers and third-party vendors to increase sales and implement mobile marketing sales plans and programs. Prior to that Valencia spent just over three years with Verizon Wireless, as multicultural marketing/segmentation manager, charged with expanding wireless market share, increasing revenue and reducing turnover. Before this role she was an advertising consultant for Verizon Wireless, focusing on both Hispanic and general market. Valencia also has held positions dedicated to the Hispanic and African-American sector with The Vidal Partnership; The Bravo Group, Young & Rubicam's Hispanic marketing agency; and DDB Worldwide.