Contact Collaborative Problem Solving Staff

The CPS office is located at the Trillium Family Services and Parry Center Campus

3355 SE Powell Blvd., Portland, OR 97202

Our office hours are from 9AM-5PM Monday-Thursday

Margaret Johnson, MSW

Margaret Johnson, LMSW

Margaret Johnson, LMSW is a Think:Kids Clinical Consultant and Trainer who  specializes in applying and implementing CPS in child welfare settings. A west coast native, Margaret has been working with at-risk families and children since 2000. She earned her social work degree from the University of Southern California. Margaret is passionate about addressing the impact of social trauma on behaviors and is committed to helping marginalized communities integrate the Collaborative Problem Solving model. She has completed in-depth study and application of trauma-informed care under the tutelage of the National Council on Behavioral Health and has participated in child trauma assessment and case management training with Dr. Bruce Perry. As a writer, artist, and musician, Margaret approaches all aspects of her work and life with creative energy. Margaret can be reached Monday -Thursday at 503-418-5226  Please note on Wednesdays Margaret works remotely and email is the best way to contact her.

Elisa Ross

Elisa Ross
Training Coordinator, Child & Adolescent Psychiatry Fellowship & Administrative Coordinator, CPS and OPAL Programs

Elisa Ross earned a Bachelor of Fine Arts in painting from Indiana University. She divides her time with various Psychiatry programs and locations within OHSU. She is the Training Coordinator for the Child & Adolescent Psychiatry Fellowship located in Doernbecher Children's Hospital. She is the Administrative Coordinator for Collaborative Problem Solving for and OPAL Programs at the SE Trillium Campus. She brings with her many years of administrative experience working in higher education and social service. She is honored to be supporting this amazing team. In her spare time she enjoys spending time with her family & pets, walking in the woods, creating art projects, playing the banjo-uke, and sharing food & conversation with friends. Elisa can be reached via email Please note Elisa is only in the CPS office one day a week. 

Have a question?

Do you want to ask a CPS expert a specific question? If so, please email and one of our CPS trainers will respond to you.