Henry D. ("Hank") Levine is a partner in the firm of Levine, Blaszak, Block & Boothby, LLP, where he specializes in the representation of large users on telecommunications-related matters, including the negotiation of network services agreements; settling (or, where necessary, litigating) contract disputes between large users and carriers; and advising on the adoption and implementation of new technologies. The organizations for which he has worked include the City of New York and the Federal Government, DuPont, Kaiser Permanente, IBM, Honeywell, and Goldman Sachs.

From 1983 through 1992, Mr. Levine was a partner in the Washington, D.C. office of Morrison & Foerster, where he founded (and chaired) the firm's Communications Group. He currently serves as Chair of TechCaliber Consulting, LB3�s telecommunications consulting affiliate. He was a member of the Committee on Technologically Enhanced buildings of the National Research Council and the Executive Board of the New York Telecommunications Reliability Advisory Council; has been retained by the United States General Services Administration to provide strategic advice and assistance in connection with the FTS2000, FTS 2001, and Networx programs (through which the government purchases much of its telecommunications services); served as counsel to the Ad Hoc Committee of Enterprise Customers in the WorldCom bankruptcy proceeding; and was a key witness in the government�s successful efforts to block the merger of MCI and Sprint.

Mr. Levine's writings on telecommunications regulation and transactions include more than 50 articles and chapters in several books. In 1996, Network World named him one of the twenty-five most powerful people in networking, citing his "unique experience, knowledge and savvy" in "dealing with the pricing, terms and conditions that shape custom network contracts." Chambers Global and Chambers USA variously describe him as "thought [by clients and peers] to be one of the most knowledgeable lawyers in the industry," and as the lawyer who "wrote the gospel on telecoms negotiation...he's more than an attorney--he really knows the technology." He is also listed in Washington DC Super Lawyers and The Best Lawyers in America, and the Lawdragon 500/3000.