Our Team
Principals
Ronald N.S. Ho, P.E., CEM
Chairman / Founder
Ronald N. S. Ho founded the company in 1978 and has over 50 years of electrical engineering experience.
His extensive background includes projects involving master planning, design, and services during construction for land development projects, water pumping stations, wastewater facilities, exterior recreational lighting, primary and secondary electrical distribution, commercial and industrial buildings, tenant space improvements, high-rise residential building, and military facilities.
Ronald N.S. Ho, P.E., CEM
Chairman / Founder
Sean K. Sugai, P.E.
President / CEO
Sean Sugai started with the firm in 1988 as an electrical engineer and escalated up the ranks from principal to president. He has 37 years of electrical engineering experience on various types of projects throughout the State of Hawaii and Guam. As president, Mr. Sugai is responsible for the overall management and fiscal responsibility of the entire firm, including management of the firm’s electrical engineering production, marketing and employee benefits.
Mr. Sugai’s project experience includes airport infrastructures, education facilities, repair and construction of naval wharves, recreation centers, commercial buildings and offices, private residences, subdivision utility infrastructure distribution systems, roadway lighting, and primary electrical distribution systems. Several of these projects have included sustainable design and have been submitted for LEED certification.
Sean K. Sugai, P.E.
President / CEO
Steven H. Sakai, P.E.
Vice President
Steven Sakai has over 40 years of electrical engineering experience. Mr. Sakai’s responsibilities include project management, supervision of engineering personnel, and design and coordination of various projects. His work includes master planning, modeling, traffic signal and intelligent transportation improvements, electrical distribution systems, subdivisions, overhead-to-underground conversion, military contract (MILCON), and roadway widening projects.
Mr. Sakai’s electrical engineering experience spans a wide range of projects, including building renovations, residential and commercial subdivisions, military and telecommunications facilities, primary electrical distribution systems, highway and recreational lighting, and irrigation pump stations.
Steven H. Sakai, P.E.
Vice President
Billy J. Ornellas, P.E.
Vice President / Principal
Billy Ornellas has 25 years of electrical engineering experience. Mr. Ornellas oversees engineers; and coordinates, manages, and designs electrical projects for the State of Hawaii Department of Transportation – Highways, Harbors, and Airports Division, Department of Accounting and General Services, University of Hawaii System, Department of Education, City and County of Honolulu Department of Design and Construction, as well as private clients.
Mr. Ornellas has a wide-ranging electrical engineering background that includes work on highway widening and bridge repair projects, roadway and site lighting systems, primary and secondary electrical distribution systems, renovation and new designs of commercial office, retail and industrial buildings including lighting and power distribution systems, electrical check metering systems, renewable energy systems, fire alarm systems, access control systems, security surveillance systems, and airport infrastructure.
Billy J. Ornellas, P.E.
Vice President / Principal
George D. Takase, P.E.
Vice President / Principal
George Takase has over 20 years of electrical engineering experience and has provided project engineering design services for various electrical designs. In addition to his role as Principal, Mr. Takase will share in the responsibility for corporate oversight as a new officer of the firm. Mr. Takase oversees engineers; and coordinates, manages, and designs electrical projects for the State of Hawaii Department of Transportation – Highways Division, City and County of Honolulu Department of Design and Construction, U.S. Army Corps of Engineers, Department of Hawaiian Home Lands, Department of Education, Castle & Cooke, Hawaii, Inc., Hawaiian Electric Company, Hawaiian Telcom, Spectrum, Sandwich Isles Communication, and other agencies of the various projects designed.
Mr. Takase has a diverse electrical engineering background that includes work on primary and secondary exterior distribution systems, roadway and highway lighting, and lighting for recreational facilities and parking areas. His experience also covers commercial, residential, and institutional buildings; utility relocations and extensions; traffic signals, cameras, and variable message signs; as well as generator installations.
George D. Takase, P.E.
Vice President / Principal
Scott N. Shiraishi, P.E., LEED AP BD+C
Principal
Scott Shiraishi has 18 years of electrical engineering experience. Mr. Shiraishi is responsible for assisting with operational management, business strategy, and long-range planning to help shape the company’s future. Mr. Shiraishi oversees engineers; and coordinates, manages, and designs electrical projects for the City & County of Honolulu Department of Design and Construction, State of Hawaii Department of Transportation – Highways Division, Department of Education, and Hawaiian Electric Company.
Mr. Shiraishi’s design experience includes primary, secondary, and telecommunications site distribution, roadway and highway lighting, interior and exterior lighting systems, building power and telecommunications systems, and emergency generator systems. Additionally, he also coordinates with agencies such as Hawaiian Electric, Hawaiian Telcom, Spectrum, and other agencies across various projects.
Scott N. Shiraishi, P.E.,
LEED AP BD+C
Principal
Project Managers
Jenson J. Santos, P.E., CCM
Senior Project Manager
Jenson Santos has 20 years of electrical engineering experience. Mr. Santos’s responsibilities include overseeing electrical engineers and designers, managing and designing projects, and coordinating with other disciplines on government, residential, commercial, and industrial developments throughout the State of Hawaii, Pohnpei, Kwajalein, and Guam.
Mr. Santos conducts quality control reviews, property and facility condition assessments, preliminary engineering reports, feasibility studies, project scoping, client negotiations, and fee proposal preparation. Mr. Santos’ electrical experience includes roadway lighting systems, primary, secondary, and telecommunication distribution systems, subdivision utility infrastructure, photovoltaic systems, telemetry and SCADA systems, pumping stations, treatment plants, recreation centers, military facilities, and a wide range of industrial, office, retail, and commercial buildings.
Jenson S. Santos, P.E., CCM
Senior Project Manager
Andrew Izawa, P.E.
Project Manager
Andrew Izawa has 9 years of electrical engineering experience. Mr. Izawa oversees 4 engineers. In addition, he is responsible for proposal writing, and coordinating, managing, and designing projects for the U.S. Army Corps of Engineers, State of Hawaii Department of Transportation – Airports Division, Department of Accounting and General Services, Department of Education, University of Hawaii System, and Honolulu Board of Water Supply.
Mr. Izawa’s design experience includes interior and exterior lighting for commercial, residential, educational, recreational, healthcare buildings, and parking lots; water pump station instrumentation, photovoltaic and battery storage systems, generator installations, mission-critical system reconnections, and electrical service relocations and extensions.

