Mark Bertelsen is a senior partner in Wilson Sonsini Goodrich & Rosati's corporate practice. Mark joined the firm in 1972 and has played a major role in the development and growth of the firm. From 1984 to 1990, he served as chairman of the Management Committee, and he was also managing partner from 1990 to 1997 and served on the firm's Executive Committee.

Mark is a business lawyer. He regularly advises senior management and boards of directors on matters relating to corporate governance, corporate finance and securities, mergers and acquisitions, and strategic alliances. Mark has advised and represented companies that have transformed their industry in computer hardware, software, telecommunications, semiconductors, and fintech. He has also served as director of leading public software companies Software Publishing Corporation (1988-96), a leader in PC software; Autodesk (1992-2009), the world leader in 2D and 3D design software; Taleo Corporation (2000-07), a leading talent management company acquired by Oracle for $2 billion in 2012; and Informatica Corporation (2002-2015), the leading data integration company. Mark has lectured and served on numerous panels at UC Berkeley School of Law, The Markkula Center for Applied Ethics at Santa Clara University, and continuing legal education programs on corporate and securities law, corporate governance, and legal ethics.

Prior to joining the firm, he served two years as an officer in the U.S. Army.

  • J.D., University of California, Berkeley, Boalt Hall School of Law, 1969
  • B.A., Political Science, University of California, Santa Barbara, 1966
    With High Honors
  • Member, Board of Directors, Autodesk, 1992-2009
  • Member, Board of Directors, Informatica, 2002-2015
  • Trustee, UC Santa Barbara Foundation, Member of Executive Committee, and Chair, 2001-2003
  • Trustee, UC Berkeley Foundation
  • Member, Dean's Cabinet, UC Santa Barbara College of Engineering
  • Member, Director's Council, Institute for Energy Efficiency, UC Santa Barbara
  • Builder of Berkeley
  • AV Preeminent Peer Review Rating (1979 to present), Martindale-Hubbell
  • Selected for inclusion in the 2006-2018 editions of Best Lawyers in America
  • Recognized among San Francisco Area's Top Rated Lawyers by American Lawyer Media
  • Named in the 2006 edition of Chambers USA: America's Leading Lawyers for Business
  • Selected for inclusion in Northern California Super Lawyers
  • Named as Dealmaker of the Year 2012 by Finance Monthly for representation of Taleo Corporation in its acquisition by Oracle Corporation
  • State Bar of California