Executives
Tyson T. Toyama, P.E.
President
Senior Mechanical Engineer
EDUCATION
University of California at Los Angeles
B.S. Cum Laude, Mechanical Engineering
PROFESSIONAL REGISTRATION
State of Hawaii, Mechanical Engineer,
State of California, Mechanical Engineer
Charles L. Jury, P.E.
Vice President
Senior Civil Engineer
EDUCATION
University of Hawaii at Manoa
B.S. in Civil Engineering
PROFESSIONAL REGISTRATION
State of Hawaii, Civil Engineer
CESCPP, CWPPP, ESCP Coordinator
PROFESSIONAL MEMBERSHIPS
American Council of Engineering Companies of Hawaii
American Society of Civil Engineers
American Water Works Association
Water Environment Federation
Senior Associates
Irvin T. Higashi, L.A.
Landscape Architect
EDUCATION
Washington State University
B.S. in Landscape Architecture
PROFESSIONAL REGISTRATION
State of Hawaii, Landscape Architect International Society of Arboriculture,
ISA Certified Arborist
National Recreation and Park Association, Certified Playground Safety Inspector
Associate II
Associate I
Cody A. Miprano, P.E.
Civil Engineer
EDUCATION
University of Hawaii at Manoa
B.S. in Civil Engineering
PROFESSIONAL REGISTRATION
State of Hawaii, Civil Engineer
PROFESSIONAL MEMBERSHIP
American Water Works Association
Technical Staff
Administration
2024 Employees of the Year
From the time Okahara and Associates, Inc. was established in 1979, we have always had a dedicated team ready to undertake technical engineering, design work, civil engineering, and other projects.
Today we have a skilled and highly educated team with the diverse engineering backgrounds necessary to tackle a variety of client projects.
Our engineers are dedicated to maintaining and enhancing their skills, such as becoming accredited as Leadership in Energy and Environmental Design (LEED) professionals and learning about heat recovery devices, natural ventilation, and ocean water cooling so we can helm projects in the field of sustainable design. Meet some of our key engineers on this page, then contact us so we can get started on your project!
