Meet Our Team

Get to know the industry experts leading our team

Rainier Clinical Research Center was established more than 30 years ago and is still operated by our original founders. Our physicians have extensive research experience and hold faculty positions at the University of Washington Medical School. From our dedicated in-house recruiting team to our principal investigators, we know what it takes to successfully conduct clinical trials.

Management team

PRESIDENT & CEO, MBA

Eric Hayashi

View Bio
View CV
CO-MEDICAL DIRECTOR, MD, FACE

Ronald Brazg

View Bio
View CV
Co-Medical Director, MD

Frances Broyles

View Bio
View CV
Co-Medical Director, MD

Sheryl Marks

View Bio
View CV
Business Operations Manager, MBA

Sya Magston

View Bio
View CV
CLINICAL Research Nurse RN CDCES

Tina Mitchell

View Bio
View CV
Director of Business Development

Shann Emerald

View Bio
View CV
Interested in joining our team?

We're always looking for talented professionals.

See openings

Principal investigators

CO-MEDICAL DIRECTOR, MD, FACE

Ronald Brazg

View Bio
View CV
Co-Medical Director, MD

Frances Broyles

View Bio
View CV
Co-Medical Director, MD

Sheryl Marks

View Bio
View CV
We are advancing medicine and ultimately changing and improving the human condition. While doing this in a warm, caring, and compassionate environment.

- Eric Hayashi, President & CEO

Watch Video

Volunteer to participate in a study

See current studies
By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. View our Privacy Policy for more information.
DenyAccept