About Us

Founder and Principal

Charles Ishikawa is Kahuina's founder, president and principal consultant. With more than 22 years of practical experiences that spans local, state and federal agencies, Charlie’s work has improved the health of our nation with integrity and compassion. He is an award-winning epidemiologist, a master facilitator, and an expert in managing change through community and stakeholder initiatives that set national public health informatics practices and policies. Kahuina Consulting is an extension of his core values. Mr. Ishikawa holds a Masters of Science in Public Health from Emory University.

Senior Director

Marcus Rennick leans on his experiences as an applied epidemiologist and informatician to ground his work in promoting practical public health strategies. Marcus’ work spans health conditions and domains from asthma to zoonotic diseases based on his past life as a local disease detective. He advanced cooperation on system interoperability between state public health executives, EHR developers, and federal health leaders as a director at the Association of State and Territorial Health Officials. Marcus earned his Master of Public Health concentrating in epidemiology and international health from Boston University (Boston, MA) in 2008 and holds a supplemental certificate in public health informatics from Indiana University-Purdue University, Indianapolis.

Director

Sara Chang brings together her skills in coordination and facilitation as a manager for Kahuina Consulting. A drive to dissect and dismantle health inequities drew Sara to public health and work around the world – from HIV/AIDS training and counseling in South Africa to health education for mothers and children in Mexico. Previously, Sara worked for the National Association of County & City Health Officials, the Boston Public Health Commission, and correctional facilities in Massachusetts and Washington, DC. She graduated from Oregon State University with a Master of Public Health in Management and Policy.