Our Team

Rainier Clinical Research Center, was established over 25 years ago and is still owned and operated by its original founders. Our physicians have extensive research experience and training and hold faculty positions at the University of Washington Medical School. We understand research and know how to make sure it is done right with experienced staff and a professional, caring environment for our patients.

Our Clinic  |  Explore the Facility

Management Staff

Eric Hayashi

MBA, President & CEO

Ronald Brazg


Leslie Klaff

MD, Ph.D, F.R.C.P., F.A.C.E.

Kristen Hughes

BS, Manager of Clinical Operations

Teresa Mori

BA, Executive Director