comScore, Inc. announced that Joan M. Lewis, formerly Senior Vice President of Global Consumer and Market Knowledge at The Procter & Gamble Company, has been appointed as a member of the company's Board of Directors, effective immediately. She will also serve on the Audit Committee of the Board of Directors. Ms. Lewis' appointment fills the vacancy created by the resignation of Jeffrey Ganek, a member of the comScore Board of Directors since May 2008.

Lewis worked at Procter & Gamble for more than 27 years, both in the U.S. and in Europe, most recently serving as the Senior Vice President of Global Consumer and Market Knowledge.