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Senior Leadership

Our Team

We are made of world class professionals & community leaders

Dan Brinkman, RN, MPA
Dan Brinkman, RN, MPA

Regional Chief Executive Officer

Denise Mackey, OTR/L, MS, NHA
Denise Mackey, OTR/L, MS, NHA

Regional Hospital Administrator

Joni Waltjen
Joni Waltjen

Regional Chief Financial Officer

Dr. Jennifer Walker
Jennifer Walker, MD, MPH FAAFP

East Hawaii Acute and RHC Medical Director

Kris Wilson, PhD
Kris Wilson, Phd

Chief Information Officer

Lisa Shiroma, BBA, MBA
Lisa Shiroma, BBA, MBA

Chief Administrative Officer

Jennifer Aguiar, MBA, NHA
Jennifer Aguiar

Hospital Administrator

April Kekoa
April Kekoa

Director of Nursing