Charles is focused on contributing his time and effort to not-for-profit endeavors. Mr. Levine works with SCORE, an organization devoted to helping budding entrepreneurs in Northern California, and serves the Board of Jack London State Park, the first California State Park to be operated by a local not-for-profit entity. He graduated with an MBA from Northwestern University's Kellogg School of Business Administration. Prior to his retirement, he was an independent Board member serving multiple companies in North America and Europe focused on the telecommunications and high tech industries. Mr. Levine served as the Chief Executive Officer of Sprint PCS, the fastest growing business in history, reaching $10 billion of revenue in 4 ½ years. Mr. Levine also served as an executive for Procter & Gamble, AT&T and Octel Communications.