Meet Our Team

Get to know the industry experts leading our team

Rainier Clinical Research Center has been advancing medical research for over 30 years. Our dedicated team—including experienced medical directors, in-house principal investigators, and operational leaders—works collaboratively to conduct successful clinical trials. With a commitment to excellence and innovation, we strive to contribute to the development of new treatments and therapies that improve lives. Meet the team driving our mission forward.

Management team

PRESIDENT & CEO, MBA

Eric Hayashi

View Bio
View CV
Co-Medical Director, MD

Frances Broyles

View Bio
View CV
Co-Medical Director, MD

Sheryl Marks

View Bio
View CV
Director of operations, 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

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