Thomas O'Brien


Thomas is a principal in the Tri-Cities office and has over 31 years of accounting experience as a Certfied Public Accountant. As a leader in the Agribusiness and Cooperative Group (ABC) of CLA, he serves clients primarily in the Agribusiness industry.

Thomas is passionate for the CLA Promise. He strongly believes frequent communication with his clients allows him to really know them and help deliver personalized and seamless accounting, outsourcing and wealth advisory solutions.


BA Central Washington University, Ellensburg Washington

In the community

Certified Public Accountant in the State of Washington

Member of the American Institute of Certified Public Accountants (AICPA)

Member of the Washington Society of Certified Public Accountants (WSCPA)

Richland Rotary Board Member

Great Mid Columbia Duck Race