About
Dexter L. Callahan is a dedicated attorney who focuses on civil litigation, business, and financial matters. Dexter L. Callahan is known for a determined approach and strong preparation, helping clients handle legal challenges with clarity and confidence. His work spans disputes, contracts, and complex legal issues across multiple practice areas.
Dexter earned a B.A. in Law, Societies, and Justice with honors from the University of Washington. He later completed an M.S.F. from Seattle University’s Albers School of Business. He then received a J.D., with honors, from Seattle University School of Law in 2017, building a strong academic foundation.
Dexter works across a wide range of legal areas, including civil litigation, business transactions, contracts, corporate matters, and employment law. He also handles family law, criminal defense, estate planning, and probate. His broad knowledge allows him to assist clients with both disputes and long-term legal planning.
Dexter has represented clients in many types of litigation, including personal injury claims, wage disputes, and administrative appeals. He approaches each case with careful preparation and a focus on results. His ability to manage different legal issues helps clients navigate complex situations with greater understanding.
Dexter also advises clients on financial and business matters such as contract drafting, entity formation, and securities issues. He works to ensure that clients understand their options and make informed decisions. His practical approach helps individuals and businesses address legal concerns efficiently.
Dexter gained valuable experience during law school through an externship with the Honorable Justice Debra L. Stephens of the Washington Supreme Court. He also participated in legal clinics and competitions, including mock trials and negotiation events, which helped develop his advocacy and analytical skills.
Dexter L. Callahan continues to support clients by combining legal knowledge with careful strategy and consistent effort. Dexter focuses on achieving practical outcomes while guiding clients through each stage of their legal matters with professionalism and attention to detail.
Law Office Affiliations
- Associate, Van Siclen Stocks & Firkins Attorneys At Law
- Member, Washington State Bar Association
- Member, Washington State Association for Justice
Licensed State
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Washington
Education
- Seattle University School of Law
Juris Doctor (JD) - Seattle University Albers School of Business
Master of Science in Finance (MSF) - University of Washington
Bachelor of Arts (BA)
Awards & Badges


- Banking & Finance
- Contracts & Agreements
- Corporate & Incorporation
- Securities Litigation
- DUI & DWI
- Discrimination
- Employment Litigation
- Sexual Harassment
- Social Security & Disability
- Wage & Hour Laws
- Wrongful Termination
- Probate
- Trusts
- Wills & Living Wills
- Child Custody
- Child Support
- Divorce & Separation
- Domestic Violence
- Paternity
- Appeals
- Litigation




