Mark Cassell | Seattle Family Law & Divorce Lawyer

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About Mark

Mark Cassell is Twyford Law Office’s newest Partner. He began at Twyford Law Office in 2016 after graduating from the University of Denver School of Law. He started as an associate attorney at the firm, focusing primarily on Divorce and Family Law.

Mark has successfully handled hundreds of family law and divorce cases. He is well known in the community as a strong advocate for his clients and a tremendous trial lawyer. Mark believes in client-centered lawyering, bringing this view to all the cases he works on. He creates a strong bond with each client, viewing cases as a team effort where the client is the captain of the ship. He ensures each client is steered in the proper direction to achieve their goals. Mark is experienced in all areas of family law, including negotiation, mediation, motions, and trial.

Mark’s background in engineering and math allows him to excel in high asset and business valuation cases. He has extensive knowledge in these areas and has successfully navigated high asset divorce matters for his clients in both negotiation and trial.

Mark earned his J.D. from the University of Denver Sturm College of Law in 2016, where he graduated with Academic Distinction. He graduated with the highest grades in classes including Evidence, Evidence Practicum, and Family Law: The Divorce. Before earning his J.D., he graduated from the University of Washington with a B.S. in Chemical Engineering and a minor in Mathematics. He is admitted to the Washington State Bar.

Call our offices to begin your journey toward legal success with a firm you can trust. We offer our services in Seattle, Spokane, Bellevue, WA and surrounding areas. Visit one of our offices today:

Twyford Law Office - Seattle Office
814 Second Avenue, Suite 515,
Seattle, WA 98104
(206) 590-7085
Monday-Friday 8:00 am-5:00 pm

 
Twyford Law Office - Spokane Office
430 W Indiana Ave,
Spokane, WA 99205.
(509) 327 0777
Monday-Friday 8:00 am-5:00 pm


Twyford Law Office - Bellevue Office
1408 140th Pl NE Suite 400,
Bellevue, WA 98007
(425) 517-3350
Monday-Friday 8:00 am-5:00 pm

Call to discuss my fee structure.

Admission

Verified Washington

2016

Education

University of Denver School of Law

J.D.

2016

Recognitions & Achievements

Associations
  • Washington Defender Association
  • Federal Bar Association
  • Washington State Bar Association, Family Law Section
  • Washington State Bar Association
  • Seattle County Bar Association
Honors / Awards
  • Top 40 Under 40-American Academy of Attorneys
    2019
  • Top 40 Under 40-National Trial Lawyers
    2019
  • Top Lawyer-American Law Society
    2018
  • Top Attorney-Avvo
    2018
  • Client's Choice-Avvo
    2017
  • Scholastic Excellence Award-Evidence Practicum-University of Denver
    2016
  • Scholastic Excellence Award Advanced Family Law-University of Denver Sturm College of Law
    2016
  • Charles F. Brannan National Scholarship-University of Denver
    2015
  • Scholastic Excellence Award Evidence (Top Grade)-University of Denver Sturm College of Law
    2015
  • Scholastic Excellence Award-Evidence-University of Denver
    2014
  • Stephen Burrell Memorial Endowed Scholarship-University of Denver
    2014
  • Zavell Family Endowed Scholarship-University of Denver
    2014
  • Morrisard and Rossi Endowed Scholarship-University of Denver
    2014
  • Best Advocate Award-STLA
    2013

Notable Work

Publications

Sippy Cup Mom


How to Request a Psychological Evaluation in Your Child Custody Case


2024



Mom News Daily


How Much Child Support Can I Expect After a Divorce?


The Bragging Mommy


8 Strategies for Helping Kids Adjust to a Divorce


University of Denver Sturm College of Law-Law Review


Disquieting Discretion: Race, Geography and The Colorado Death Penalty In the First Decade of The Twenty-First Century


2015

Founded 1990

Twyford Law Office Highlights

Divorce & Family Law, Divorce, Child Custody, Child Support

Firm Size: 1
Firm Locations: 1
Languages: English