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David S. Matheson



David Matheson, a partner in the firm’s Business practice, brings value to clients by providing strategic and practical advice.  He has more than 20 years of experience in counseling on corporate governance matters, raising capital through public and private equity and debt offerings, and acquiring and disposing of businesses and assets. David advises domestic and foreign public companies — including controlled companies and master limited partnerships — on their SEC and securities exchange reporting obligations, and assists boards of directors and management in fulfilling their fiduciary duties. Industries in which David's clients are involved include transportation, manufacturing, technology, retail and energy.

Representative of David's experience is his leadership of three IPOs and co-leading one IPO filing since 2005.  He has assisted clients in raising billions of dollars through public offerings of common, preferred and debt securities, shelf offerings, PIPE and Rule 144A transactions, and private placements.  David has provided buy-side and sell-side representation for private and public companies in small and multibillion dollar mergers and stock and asset transactions, and he represents Seaspan Corporation in its containership joint venture with an affiliate of global asset manager The Carlyle Group.

Chambers USA and other legal rating services recognize David as a leading attorney in corporate, capital markets, securities and M&A matters, Chambers USA describes David as "renowned for his experience and knowledge of capital markets and public companies" and quotes a client as stating, “Unflappable under pressure, [David] cuts through to the issue and works with the client to find a solution that both sides can embrace.”

Professional Recognition

  • Listed in The Best Lawyers in America 2012 - Present: Securities/Capital Markets Law
  • Ranked by Chambers USA, as “America’s Leading Business Lawyers," 2005 - present
  • Listed in Oregon Law & Politics, "Oregon Super Lawyers," 2006 - present
  • Listed in Legal 500 United States, "Mergers, Acquisitions and Buyouts," 2008 - 2009
  • Peer Review Rated AV in Martindale-Hubbell

    (AV®, BV® and CV® are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.)

Professional Leadership

  • Oregon State Bar Association, Executive Committee of Business Law Section, 2012 - present; Treasurer, 2013; Chair-Elect, 2014
  • Oregon State Bar Association, Executive Committee of Securities Regulation Section, 2005 - 2011; Chair, 2010
  • Oregon Entrepreneurs Network, Board of Directors, 2005 - 2006

Related Employment

  • Shearman & Sterling LLP, Los Angeles, CA, Associate, 1991 - 1995


  • University of California, Los Angeles School of Law, J.D., 1991
    Executive Editor, Federal Communications Law Journal
  • University of California, Los Angeles, M.B.A., 1991
  • Stanford University, A.B., with distinction, 1987

Bar Admissions

  • Oregon


  • Spanish


Chambers Ranked