top of page
Barrett Mediation Group banner of a courtroom scene

“Discourage litigation. Persuade your neighbors to compromise whenever you can. Point out to them how the nominal winner is often a real loser — in fees, expenses, and waste of time.”

“Discourage litigation. Persuade your neighbors to 
 compromise whenever you can. Point out to them 
 how the nominal winner is often a real loser —
in fees, expenses, and waste of time.” 
- Abraham Lincoln

About Us

Barrett Mediation Group provides expert mediation and conflict resolution services, in Washington and Oregon. Founded in 2013 by Colleen Barrett, our practice now has a seasoned team that brings a wealth of experience from over a thousand successful mediations. Our reputation for excellence is built on the following:


With decades of legal experience, we speak with authority to value and risk.

We listen with real 
empathy, earning trust in the process.



We work relentlessly to solve your dispute, helping parties realistically assess their strengths and weaknesses.

Our Team

At Barrett Mediation Group, we take great pride in our ability to provide exceptional mediation services. Our team consists of highly experienced professionals, who bring decades of expertise in various areas of mediation. With extensive knowledge and experience, we are equipped to handle the most challenging disputes and parties, ensuring the best possible chance of settlement.

Marilyn Sherron profile pic.png

Marilyn Sherron

Theresa Doyle profile pic.png

Judge Theresa Doyle (Ret.)

Colleen Barrett profile pic.png

M. Colleen Barrett

What People are Saying About Our Mediators

Colleen is among the best mediators in Washington. She is sharp, creative, hard-working, an honest broker, and has a wonderful sense of humor. Colleen has delivered settlements in cases I really thought could never be resolved short of trial.



bottom of page