• Juris Doctor, University of North Carolina School of Law, 1985
  • Bachelor of Arts, cum laude, Political Economy, Colorado College, 1982
  • Fluency in Spanish

Drawing on nearly 35 years of practice experience, Mark provides guidance to large national and international corporations, regional businesses and entrepreneurial ventures on wide-ranging litigation, general business, and transactional matters.

Mark Williams serves as trial counsel and advisor on large-figure, corporate governance, officer and director liability, business tort, commercial, financial institutions, and telecommunications matters. He also provides strategic business advice and conducts legal audits, risk assessments, internal investigations, and litigation analysis.

Mark is adept at helping clients achieve workable solutions to business disputes. Mark takes a proactive approach when advising clients, devising risk management strategies to manage risk and help clients achieve economic predictability, value and results.

As both a trial lawyer and advisor, Mark is often retained because of his ability to help clients steer clear of risk and toward success in their dealings.

Regarded as a leader in the field, Mark has been recognized by Best Lawyers as a “Lawyer of the Year” in the areas of Technology Law and Communications Law. He has also been designated as a Master Advocate by the prestigious National Institute for Trial Advocacy, its highest designation.


  • Trial counsel and advisor on large dollar, corporate governance, officer and director liability, business tort and commercial cases.
  • Corporate governance and business strategy.
  • Acts as lead counsel and negotiator on large transactions.
  • Internal investigations.
  • Risk assessment, litigation analysis, and legal audits.
  • Advisor to and regional counsel for personal wireless services provider on federal and state legal and regulatory matters, interconnection, E911, Universal Service, local land use, zoning, real estate, insurance and risk management issues.
  • Attorney and counselor to national, regional, and community banks.

Publications & Presentations


  • Working Together on Fundamentals in the Lender/Borrower Relationship
    Colorado Real Estate Journal | January 2013
  • Wireless Coverage Can Enhance Commercial Real Estate Properties
    Colorado Real Estate Journal | July 2012



  • Eviction Strategies Relief | August 6, 2020
  • Lecturer at telecommunications conferences
    CLE International

Professional Activities

  • National Association of Corporate Directors
  • Board Member, Vectra Bank Advisory Board
  • Board Member and Chairman, Denver Sports Advisory Board
  • Board Member, Board of Trustees of the Boy Scouts of America
    • Denver Area Council
  • Commercial Panel of Neutrals, American Arbitration Association
  • Litigation Counsel of America
  • American Bar Association
  • Colorado Bar Association
  • Denver Bar Association
  • Federal Communications Bar Association
  • Electric Cooperative Bar Association
  • Former President, Rotary Club of Lower Downtown Denver
  • Diversity Law Institute
  • The Trial Law Institute


  • Best Lawyers in America, “Lawyer of the Year,” Communications Law, Denver (2015, 2019)
  • Best Lawyers in America, “Lawyer of the Year,” Technology Law, Denver (2016, 2018)
  • Best Lawyers in America
    • Arbitration (2013-2020)
    • Banking and Finance Law (2013-2020)
    • Communications Law (2007-2020)
    • Litigation: Regulatory Enforcement [SEC, Telecom, Energy] (2019-2020)
    • Technology Law, (2007-2020)
  • Super Lawyers, Business Litigation, Colorado (2006-2020)
  • Super Lawyers, “Top 100 Attorneys,” Colorado (2016)
  • 5280 Magazine, “Top Lawyer,” Communications, Technology & Media, Denver (2015, 2016)
  • Martindale-Hubbell, “AV Rated” (1995-present)
  • National Institute for Trial Advocacy, “Master Advocate” (2008)
  • Litigation Counsel of America, Senior Fellow (2008)
    • Barrister, Order of Justitia
    • Advocate, Order of Certus
  • Leadership Denver Program, Participant (2000-2001)