Professional Biography
Image of Stewart Landefeld

Stewart M. Landefeld Partner

  • Seattle

    D +1.206.359.8430

    F +1.206.359.9430


    1201 Third Avenue, Suite 4900

    Seattle, WA 98101-3099




Stewart Landefeld, partner and immediate past co-chair of the firm's Corporate practice, has counseled corporations and board of directors for 30 years in the areas of corporate governance, securities compliance, mergers and acquisitions, public offerings, private equity investments and venture capital.

Stewart has provided corporate governance and other general corporate counsel to dozens of leading companies, including Microsoft Corporation, Costco Wholesale Corporation, T-Mobile, Tribune Publishing Company, Taylor Morrison Home Corporation, PetSmart Inc., Orbitz (Audit Committee), Aircastle (Independent Directors), F5 Networks, Intermec Inc., Outerwall Inc., The Seattle Mariners, The Tacoma Rainiers (Baseball Club of Tacoma, LLC) and The Seattle SuperSonics among others. Clients benefit from the valuable insight he gained after serving for nearly a year as interim Chief Legal Officer, of Washington Mutual Inc. during the financial crisis, as well as his decade of board leadership, including the Pike Place Market PDA, The Seattle Foundation, Plymouth Housing Group and the Seattle Art Museum.

Corporate Governance & Public Companies

A frequently sought-after speaker and author regarding a variety of corporate governance and other public company issues, Stewart is both the Editor-in-Chief and co-author of The Public Company Handbook: A Corporate Governance and Disclosure Guide for Directors and Executives (Sixth Edition), published by RR Donnelley. He has been honored as the recipient of the Burton Foundation's 2009 Distinguished Law Firm Award for co-authoring the article, "Cost Effective Improvements in Governance: Enhancing Communications Among Board Committees," published by the Corporate Governance Advisor. Stewart has also played a significant role in Seattle University Adolf Berle Governance Center. In addition, he is the co-founder and Perkins Coie responsible partner for OnBoarding Women and the Black Boardroom Initiative, leading Seattle and New York-based programs dedicated to increasing gender and racial equity in public company boardrooms.


Stewart has been recognized every year since 2005 as one of “America’s Leading Business Lawyers” by Chambers USA. He has also been recognized repeatedly as one of "Washington's Super Lawyers" by Washington Law & Politics and is frequently listed in The Best Lawyers in America, Lawdragon 500's "Leading Lawyers in America," and Who's Who Legal USA – Corporate Governance.

Ranked by Chambers USA 19 Years in a Row


Professional Recognition

  • Received the Burton Award for Legal Achievement, 2009
  • American Law Institute, Member
  • Ranked by Chambers USA as "America's Leading Lawyer" in Corporate/Mergers and Acquisitions, 2005 – 2023
  • Named Best Lawyers' Seattle, Mergers and Acquisitions Law Lawyer of the Year," 2015; Corporate Governance Law Lawyer of the Year, 2016; "Corporate Law Lawyer of the Year," 2011, 2019
  • Listed in Best Lawyers in America: Corporate Governance Law; Corporate Law; Mergers and Acquisitions Law; Private Funds / Hedge Funds Law; Securities / Capital Markets Law; Securities Regulation, 1993 – 2024
  • Listed in Super Lawyers Magazine, "Washington's Super Lawyers", 1999 – 2023
  • Named a “Leading Lawyer” by The Legal 500 for M&A/Corporate and Commercial - M&A: middle market (sub-$500m), 2015  
  • Recommended by The Legal 500: Industry Focus: M&A/Corporate and Commercial - M&A: middle market (sub-$500m), 2015

Professional Leadership

Community Involvement

  • Seattle Cancer Care Alliance (SCCA), Past Director/Board of Directors, Vice Chair of the Board

  • Seattle Art Museum, Chair, Board of Trustees Member and 2017 – 2020; Immediate Past Chair of the Boards of Directors
  • Seattle Metropolitan Chamber of Commerce, Former Member, Board of Trustees
  • Plymouth Housing Group (Permanent Housing for the Homeless), Immediate Past President, Board of Trustees
  • Seattle Foundation, Past Chairman of Board of Trustees
  • Henry Art Gallery, Past Chairman of Board of Trustees
  • Pike Place Market Preservation and Development Authority, Past Council Chair
  • Seattle Symphony Foundation, Former Vice President, Board of Trustees
  • Norman Archibald Charitable Foundation, Board Member

Related Employment

  • Washington Mutual Inc., Interim Chief Legal Officer, December 2007 – June 2008, Interim Chief Compliance Officer, June 2008 – October 2008, Executive Vice President, General Counsel during seizure of Washington Mutual Bank and Chapter 11 filing of Washington Mutual Inc.