Mr. William E. Mayer is a Managing Director of Source Companies, LLC. For thirty-five years, Mr. Mayer has had a successful career in investment banking and financial advisory activities, as well as educational and philanthropic initiatives. He is well-known for the advisory guidance and transactional assistance he has provided to many significant business-owning families. Until January 1991, Mr. Mayer worked for The First Boston Corporation (now Credit Suisse), a major global investment bank. During Mr. Mayer's 23 year career at First Boston, he held numerous management positions including President and Chief Executive Officer. From 1997 until the formation of Park Avenue, Mr. Mayer was a founding Partner of Development Capital, which invested in private and public companies. From 1992 until December 1996, Mr. Mayer was a professor and Dean of the College of Business and Management at the University of Maryland. From 1991 to 1992, he served as a professor and Dean of the Simon Graduate School of Business at the University of Rochester. Mr. Mayer is also a Managing Director of de Visscher & Co., which is one of the Business Growth Alliance founding firms, the Senior Partner of Park Avenue Equity Partners, a private equity firm he founded in 1999, and a principal in Arrow Equity Advisors, LLC. Continuing his long-term innovation in the capital markets, with both Park Avenue and Arrow Equity Advisors, Mr. Mayer has now created new private equity business models to provide greater long-term capital support and innovative ownership structures for family-owned and closely held medium sized business. Mr. Mayer is currently a board member of the following public company: Lee Enterprises, and is a trustee of the Columbia Group of Mutual Funds. Over the past 25 years, he has been a board member of numerous other public and private companies. Mr. Mayer was Chairman of the Aspen Institute for six years. He stepped down as chair in September 2006 and is currently on its Executive Committee. In July 2006, Mr. Mayer became Chairman of the Board of the University of Maryland, College Park, Maryland. He holds a BS and an MBA from the University of Maryland.