Lina Valdez

Duff & Phelps Investment Management Co. (Duff & Phelps) is a SEC-registered investment advisor headquartered in Chicago, Illinois. The firm was established in 1979, evolving from the Duff & Phelps investment research firm founded in 1932. They are a wholly-owned subsidiary of Virtus Partners, Inc., which is wholly-owned by Virtus Investment Partners, Inc. (NASDAQ: VRTS). Duff & Phelps provides investment advisory services to institutional clients, mutual funds, closed-end funds, and other pooled investment vehicles as well as to retail clients. Duff & Phelps is a signatory to the United Nations Principles for Responsible Investment (UN PRI).

Great Lakes Advisors LLC (GLA) is a SEC-registered investment advisor headquartered in Chicago, Illinois. Founded in 1981, the firm is a subsidiary of Whamco Holding Co. and their ultimate parent is Wintrust Financial Corp. (NASDAQ: WTFC), which acquired the firm in 2011. GLA offers customized investment advisory services to individual and institutional clients. In addition, the firm serves as adviser to mutual funds and is the General Partner to a Private Fund. GLA is a socially responsible investor and signatory to the UN Principles for Responsible Investment (UNPRI) which integrates environmental, social, and governance considerations into their investment process.

The Telecommunications Industry Association promotes business environment for companies involved in telecom, broadband, mobile wireless, IT, cable, satellite and communications industry. The company was founded in 1924 and is headquartered in Arlington, VA.