BOARD OF DIRECTORS

Tierra is an Administrative Law Judge with the WA. State Office of Administrative Hearings and also Cowlitz County Superior Court Commissioner.  With over 11 years of judicial experience and over 20 years of practice of law, she embraces public service and access to justice.  She views mediation as a holistic method of resolving disputes with a preference to avoid the financial and emotional costs of court.   A certified mediator since 1997, Tierra received her Juris Doctorate from the University of Oregon School of Law in 1998 and a BA in International Studies from the University of Washington in 1995.  Residing in Longview, WA, Tierra has served as a founding board member of Lower Columbia School Gardens and the Longview Public Schools Foundation, as well as the Cowlitz Wahkiakum Legal Aid board and former Sister City Commission member.  Tierra is an avid mountaineer, backpacker, and international traveler with living experiences in Japan and Thailand.  Her most treasured role is that of mother to two gifted and inspiring young humans.  Namaste.  

Robert is a resident of Cowlitz County, spending more than 40 years practicing family law in Longview, WA. He started as a deputy prosecuting attorney and then moved to a partner at a local law firm, eventually establishing his own family law practice. Bob appreciates that the elements of negotiation in family law are also instrumental in mediation. He has served as a board member of the United Way of Cowlitz County and the Lower Columbia Mental Health Center. Bob even coached little league baseball for 15 years, while his sons played! Bob and his wife love to travel, spending time with their kids and grandkids. When they get the chance explore, Bob and his wife enjoy hiking and are always looking for the next adventure.

Jennifer Groberg received her education at University of Puget Sound and Willamette University College of Law. She has practiced as an attorney in Chehalis since 2007, becoming a partner in the firm in 2015. Her areas of expertise include family law, adult guardianship and estate planning. Jen serves on a number of local boards, including Washington State Bar Association and Providence Southwest Community Mission Board. Jen also donates her time in her child's school classroom and is a lifetime Girl Scout! In her spare time loves to tap dance, read and spend time with her husband traveling and exploring new languages and cultures.

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Luis Manzo is a certified mediator and Juvenile Probation Officer with Lewis County Juvenile Court, where he works with youth and families involved in the juvenile justice system. His professional work centers on accountability, restorative practices, conflict resolution, and supporting young people in navigating challenges while building stronger connections with their families and communities.

Prior to joining Lewis County Juvenile Court, Luis served as Restorative Justice Manager for Olympia Municipal Court, where he supported initiatives designed to address harm, promote accountability, and create meaningful opportunities for resolution outside of traditional court processes. Earlier in his career, he held leadership and program development roles in community-based dispute resolution, where he helped oversee initiatives addressing housing stability, fair housing education, and access to community resources.

Luis brings a broad background in mediation, restorative justice, case management, program development, and community engagement. He is particularly committed to creating accessible, respectful spaces where individuals can be heard, work through conflict, and identify constructive paths forward.

Outside of his professional work, Luis is an active member of his local community and currently coaches U8 soccer with the Napavine Youth Soccer League. He lives in Napavine with his wife, daughter, and basset hound Rosie.

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My name is Lyn Doehne and I have lived in Kelso, Cowlitz County since 1983.

I’m happy to be on the board of CMC since it lines up with what I strongly believe in and live by; being a help to others. 

I have worked and served at Caring Pregnancy Center as office manager and counselor.  I was at Longview Memorial Park as Family Service Counselor. I served with Cowlitz AmeriCorps for two years and enjoyed serving my community. 

I also serve on the Board of Faithful Servants transitional housing. 

I love my family and enjoy spending time with grandchildren and great grandchild. 

I love traveling to find sunshine and natural energy.

Darla has worked in Human Resources since 1988, building a career that spans several decades. Early on, she had the opportunity to work for a large organization that invested heavily in her professional development and involved her in shaping employee training programs during the rollout of the Americans with Disabilities Act and the Family and Medical Leave Act. Eighteen of her years in HR have been focused specifically in the healthcare field. Darla retired at the end of 2025 but continues to share her expertise through HR consulting. In 2018, she completed our center's 40-hour Basic Mediation Training. Outside of work, Darla enjoys developing new healthy recipes, reading thrillers, and spending time with her husband and dogs.

Denise brings a background in banking and health information management, with a focus on privacy and compliance. A dedicated advocate for the Community Mediation Center, she deeply values its staff and volunteers, as well as the positive impact it makes on the local community.

Denise appreciates living in the Pacific Northwest and enjoys hiking, watercolor painting, and connecting with friends, old and new. Above all, she and her husband treasure time with their grown children and grandchildren. A lifelong learner, she embraces every opportunity to discover, appreciate, and share new ideas.