Mark B. Tresnowski

Nuveen Investments, Inc. provides investment management and related services to retail and institutional investors. It offers investment management capabilities across a diversified set of asset classes and investment strategies through its investment management affiliates, including municipal bond, investment grade, global and high-yield bond, floating-rate bank loan, preferred securities, growth equity, value equity, global and international equity, equity income, core equity, equity index, quantitative and enhanced equity, asset allocation, balanced strategies, real asset and commodity. The company was founded by John Nuveen in 1898 and is headquartered in Chicago, IL.

Children's Home + Aid provides children healthcare services. The firm offers adoption, foster care, counseling, treatment programs, child care and education services. The company was founded in 1883 and is headquartered in Chicago, IL.

US Power Generating Co. LLC owns and operates power generation facilities. The company was founded on December 10, 2013 and is headquartered in Stamford, CT.

Madison Dearborn Partners LLC (Madison Dearborn Partners) is a private equity firm founded in 1992 by John A. Canning Jr., Paul J. Finnegan, Samuel M. Mencoff, Robin P. Selati, James N. Perry Jr. and Timothy P. Sullivan. The firm is headquartered in Chicago, Illinois.

Allegiance Telecom are a facilities-based national local exchange carrier that provides integrated telecommunications services to business, government and other institutional users in major metropolitan areas across the United States. We offer ‘‘one-stop shopping’’ for voice, data, and integrated communications services (including local, long distance, Internet, data colocation, web hosting and customer premises equipment sales and maintenance services), with convenient, integrated online billing, plus a single point of contact for sales and service. Our principal competitors are incumbent local exchange carriers (also known in the industry as ‘‘ILECs’’), as well as, long distance carriers, other integrated communications providers, and customer premises sales and maintenance business.

Kirkland & Ellis LLP provides legal services. It counsels clients in litigation, corporate and tax, intellectual property and restructuring matters. The firm offers intellectual property, antitrust and competition, international trade and national security, real estate and tax, benefits and estate planning services. The company was founded in 1909 and is headquartered in Chicago, IL.