About the Firm

When trusted relationships go bad it can be difficult to know what to do next. The Law Office of Mark D. Nelson in Gig Harbor, WA specializes in handling high-conflict family and business litigation locally and across Washington state. Our dedicated staff understands that your case is about more than winning or losing, it’s about identifying priorities, regaining control, and seeking meaningful results. The combination of our big-firm experience and small-firm efficiency allows us to be accessible, responsive, and effective when managing cases of all sizes and complexity.


Mark D. Nelson | Principal Attorney

Mark’s diverse background lends itself to all aspects of family and business law He began his legal career in 2005 as a deputy prosecutor in King County, Washington. Prior to founding his own firm, he was an associate criminal defense and family law attorney in Tacoma, WA. He has served as a Pro Tempore Commissioner for Pierce County Superior Court since 2014 and earned a certificate in civil mediation from the National Judicial College in 2017.

Mark has extensive litigation experience, representing businesses in complex contractual and administrative disputes, as well as individuals in high-conflict domestic matters, at all levels of the state and federal courts in Washington. His broad experience has provided him with a keen intuition for prioritizing issues and developing results-yielding strategies. He is passionate about what he does and believes in providing honest, straight-forward and compassionate legal counsel.
Mark is President of the Harbor History Museum Board of Trustees, Vice President of the Tacoma Pierce County Bar Association Family Law Section, an active member of the Fox Island Historical Society Board of Directors, and a Barrister with The Honorable Robert J. Bryan American Inns of Court in Tacoma. He is a Northwest native and when he’s not at the office he can be found fishing for salmon, playing guitar, or cheering on the Huskies.


Juris Doctor, 2006
CALI Excellence for the Future Award

B.A. Psychology, 1990

Certifications & Training
  • Admitted in Washington State and U.S. District Court for Western District of Washington
  • National College of District Attorney’s Conference on Domestic Violence, Oct. 2007
  • Persuasive Appellate Writing, June 2009
  • Collaborative Law Mediation Training, Oct. 2011
  • Complex Parenting Issues in Divorce, March 2013
  • Civil Mediation Certificate, Oct. 2017



Jes Thompson | Law Clerk

As a paralegal, student of the law, and office manager, Jes contributes to all cases that come through the firm. She is passionate about her role and works closely with clients to provide communication, encouragement, guidance and support during every step of the legal process from intake, to preparation for mediation or court proceedings, or entry of final documents and post-case management. Prior to transitioning to law and joining the team, she was a business strategy coach, yoga teacher, marathon-runner, and busy mom.


Year One, 2019

B.A. Communications & Business, 2012

Activities & Affiliations

Tacoma Special Needs PTA, Member


Yoga, travel, trying new things and eating good food.


Jessica Nelson | Accounting

Jessica’s vast financial career spans nearly two decades. Having worked with a large capital management organization, Jessica plays a critical role in the fiscal stability of the business. Additionally, she provides accounting and bookkeeping services for the firm.


B.A. in Communication, 2000