James T. Denison, Jr.

Areas of Practice

Family Law Mediation, Family Law Litigation, Adoption, Divorce, Separation, Parenting Plan and Child Support Modification, Estate Planning and Probate


Former Kittitas County Prosecutor with a current practice that emphasizes family law issues, including adoptions, dissolutions, modifications, and dependencies; estate planning and probate; extensive trial experience

Mediator for all types of family law disputes

Admitted to Practice

State of Washington, 1996; U.S. District Court, Eastern District of Washington, 2000; U.S. District Court, Western District of Washington, 2000

Law School

J.D., Magna Cum Laude, Seattle University School of Law 1996


B.A., Business Administration, Texas A&M University, 1991

Professional Affiliations

Washington State Bar Association

Kittitas County Bar Association

Prior Legal Experience

Lathrop, Winbauer, Harrel, Slothower & Denison, LLP, Partner, 1999 - Present

Judge Pro Tem - Kittitas County Superior Court, 2021 - Present

Judge Pro Tem - Lower and Upper District Courts, 1999 - 2015

Prosecutor for City of Cle Elum, 2008 - 2015

Prosecutor for City of Roslyn, 2008 - 2015

Kittitas County Lower District Court Commissioner, 2005 - 2007

Kittitas County Prosecutor's Office, 1996 - 1999

Professional and Civic Activities

Director, Ellensburg High School Fall Play (2019 - Present)

Ellensburg Noon Rotary Club (2009 - Present, President 2013-2014)

Housing Authority of Kittitas County (Board Member), 2010 - 2016

Hospice Friends (Board Member), 2010 - 2017

Valley Musical Theater (Board Member), 2011 - Present

Central Washington University Law and Justice Advisory Board, 2010-2016

Ellensburg High School Business Advisory Board, 2009 - Present

Children's Activity Museum (Board Member): 2003 - 2007

Alcohol Drug Dependency Services Board: 1996 - 2000

Kittitas County Volunteer Legal Services Board: 2004 - 2007

Aid in the preparation and presentment of Mock Trial for Ellensburg High School: 1998 - Present

Central Washington University Mock Trial Team Coach: 2008 - 2011

Legal Advisor for Clymer Museum and Art Gallery 

Legal Advisor for Calvary Baptist Church

Legal Advisor for Chestnut Street Baptist Church


Born in Texas in 1968, and moved to Washington in 1993. Married with two children. Interests include music and theater, movies and computers.