FacultyFaculty/Author Profile

Michael J. Halloran

Haynes and Boone, LLP
Washington, DC, USA

Michael Halloran focuses his practice in securities and corporate law, specifically with financial services and technology-based companies. He has extensive experience handling public offerings, venture capital and private financings as well as mergers and acquisitions, primarily in the technology and financial institutions arenas.

Michael has acted as outside corporate advisor to numerous technology, financial institutions, and other companies in both the private and public sectors. He has served as the lead advisor on multiple forms of corporate finance and structuring transactions worth hundreds of billions of dollars, including formation of private equity funds and advice on portfolio investments, acquisitions, all forms of corporate and partnership public offerings, investment company and investment advisory firms and funds and project financings. He has represented sellers and buyers, boards of directors, and investment bankers.

From 2006 until 2008, Michael served as Counselor to the Chairman and Deputy Chief of Staff of the SEC. In his role as Counselor to the Chairman, he advised the Chairman on the SEC's program to promote investor protection and capital formation and acted as primary legal counsel to the Chairman. As Deputy Chief of Staff, he administered the divisions and offices of the SEC that have a legal focus, such as Corporation Finance, Investment Management, Trading and Markets, and Enforcement, and also administered the Office of Chief Accountant.

From 1972 to 1990 and again from 1997 to 2005, Michael was a partner of Pillsbury Winthrop Shaw Pittman (formerly Pillsbury Madison and Sutro), and head of its Corporate Securities and Finance Section and various firm committees, as well as founder of its Washington, D.C. office.

From 1990 until 1996, Michael served as Group Executive Vice President and General Counsel with Bank of America Corporation. In that role, he served as Chief Worldwide Legal Officer for Bank of America, managing more than 450 employees, including 185 attorneys, and was advisor to the Board and senior management. He negotiated, closed and implemented more than 30 acquisitions, including some of the then largest and most complex in the banking industry, resulting in Bank of America becoming one of the largest financial institutions in the world. 

Professional Honors and Awards

  • Named a 2008 Washington, D.C. "Super Lawyer" in the areas of Securities & Corporate Finance and Mergers & Acquisitions by Super Lawyers Magazine
  • AV® rated by Martindale-Hubbell

Areas of Practice

  • Securities/Capital Markets
  • Mergers and Acquisitions
  • Corporate Governance
  • Emerging Company/Venture Capital
  • Investment Banking and Broker-Dealer
  • Financial Regulatory


  • LL.B., University of California, Berkeley, Boalt Hall School of Law
  • B.S., Mechanical Engineering, University of California

Bar Admissions

  • District of Columbia
  • California
  • Wyoming

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