News
Summary
In a profession where linear thinking can be the norm, Mark is distinct. His around-the-corner thinking, along with more than 40 years of practice experience, enables him to use his energy to change the future for his clients.
Mark’s personable approach, whether you’re a client or a colleague, makes him a trusted and loyal adviser with a reputation for taking tough, unique situations and simplifying them to achieve results.
He provides guidance to large national and international corporations, regional businesses, and entrepreneurial ventures on wide-ranging litigation, general business, and transactional matters.
Mark serves as trial counsel and adviser on large-figure, corporate governance, officer and director liability, business tort, commercial, financial institution, and telecommunications matters. He represents clients in federal and state trial and appellate courts, as well as in arbitrations and mediations. He acts as counsel to clients facing regulatory proceedings before federal, state, and local government agencies. Regarded for his knowledge, skill, and reputation for fairness, he is also frequently selected as an arbitrator in complex cases.
He also provides strategic business advice and conducts legal audits, risk assessments, internal investigations, and litigation analysis.
Mark helps clients achieve workable solutions to business disputes. He takes a proactive approach when advising clients, devising strategies to manage risk, and helping clients achieve economic predictability, value, and results.
When Mark is faced with a new matter, his primary focus is the result his client needs. He envisions the outcome and works his way backward to determine the most effective and efficient strategy. As both a trial lawyer and adviser, Mark is often retained because of his ability to help clients steer clear of risk and toward success in their dealings. He is focused on getting results in a professional, ethical, strategic, and efficient manner. He is a trustworthy and loyal advocate to his clients and his community.
Regarded as a leader and mentor in the field, he has been recognized by Best Lawyers in America 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 (NITA), NITA’s highest designation.
Awards
AV Preeminent Rated, LexisNexis/Martindale-Hubbell (1995 – present)
Honoree, Best Lawyers in America (2007 – present)
Honoree, Lawyer of the Year, Best Lawyers, Technology Law (2016 – 2018, 2022, 2024)
Honoree, Lawyer of the Year, Best Lawyers, Communications Law (2015, 2019)
Honoree, Top 100 Colorado Super Lawyers (2016)
People’s Choice Honoree, Best Arbitrator 2023, Law Week Colorado (2023)
“Top Lawyer Honoree,” 5280 Magazine (2025)
“Top Lawyer Honoree,” Civil Litigation, 5280 Magazine (2022 – 2023)
“Top Lawyer Honoree,” Communications, Technology & Media, 5280 Magazine (2015 – 2016)
“Master Advocate,” National Institute for Trial Advocacy
All Service Areas
Education
- University of North Carolina School of Law
- Colorado College
B.A., Political Economy, cum laude
Admissions
- State - Colorado
- State - Minnesota
- State - Nebraska
- State - North Dakota
- State - Oklahoma
- State - Utah
- Federal - U.S. Supreme Court
- Federal - 10th Circuit Court of Appeals
- Federal - U.S. District Court for the District of Colorado
- Federal - U.S. District Court for the District of Utah
- Federal - U.S. District Court for the District of Nebraska
Notable Matters
- Serves as trial counsel and advisor on large dollar, corporate governance, officer and director liability, business tort, commercial, and telecommunications cases.
- Advises on corporate governance and business strategy.
- Represents clients in regulatory proceedings before federal, state, and local agencies.
- Acts as lead counsel and negotiator on large transactions.
- Conducts and advises on internal investigations.
- Conducts risk assessment, litigation analysis, and legal audits.
- Advises and serves as regional counsel to personal wireless services provider on federal and state legal and regulatory matters, local land use, zoning, real estate, and risk management issues.
- Serves as outside counsel to national, regional, and community banks.
- Conducted hundreds of workout situations for banks and creditors.
- Served as counsel to banks and commercial clients in advisory proceedings in bankruptcy courts in the western United States.
- Represents clients in large class actions in the U.S. District Court for the District of Colorado and the U.S. Bankruptcy Court for the District of Delaware.
- Represented commercial clients in purchasing assets and negotiating contracts during the bankruptcy process.
Speeches and Publications
Presentations
- Mediation of the Future, Complex Commercial Litigation Institute, February 2023.
- Walks Like a Fraud, Talks Like a Fraud…Now What? Not-for-Profit Conference, COCPA, May 21, 2021.
- 2020 Economic Recovery Forecast, Denver Business Journal, Vectra Bank, Sept. 18, 2020.
News
Mark Williams & Garth Jensen Featured in Law Week Colorado Best Lawyers Article News
Best Lawyers® 2025 Recognizes Sherman & Howard Attorneys News
Law Week Colorado Highlights Mark Williams, Christian Hendrickson, & Madeleine Rosengrants in Super Lawyers Features News
Colorado Super Lawyers Recognizes 24 Sherman & Howard Attorneys for 2024
Professional Affiliations
- American Bar Association
Member
- American Arbitration Association
Member, Commercial Panel of Neutrals
- Litigation Counsel of America
Senior Fellow
- Colorado Bar Association
Member
Chair, Communications and Technology Law Section (2023 – 2024) - Denver Bar Association
Member
- National Association of Corporate Directors
Governance Fellow
- Diversity Law Institute
Member
- The Trial Law Institute
Member
- Denver Sports Commission
Chair, Board of Directors
- Metro Denver Economic Development Corporation
Past Senior Co-Chair, Executive Committee
- Denver Metro Chamber of Commerce
Member, Board of Directors
- Federal Communications Bar Association
Member
- Electric Cooperative Bar Association
Member
Community Involvement
- Rotary Club of Lower Downtown Denver
Past President
- Greater Colorado Council of Scouting America
President, Board of Trustees