1981 B.S. Mechanical Engineering, University of Hawaii
1990 M.S. Mechanical Engineering, University of California, Berkeley
1985 Mechanical Engineering, Hawaii (5805)
1990 Fire Protection & Mechanical Engineering, Washington (26634)
1994 Mechanical Engineering, CNMI (244)
LEED Accredited Professional
Past President – ASHRAE Hawaii Chapter
Memberships—National Society of Professional Engineers, Society of Fire Protection Engineers
Mr. Yuen is in charge of coordinating all of the mechanical, fire protection, and electrical work developed by our office. In addition to Mr. Yuen's mechanical and fire protection engineering design experience, he has expertise in energy surveys, audits, and building automation controls. He also is a LEED Accredited Professional. He served as President of the local Hawaii chapter of ASHRAE and is a member of the Society of Fire Protection Engineers.
2004 B.S. Mechanical Engineering, Santa Clara University
2008 Mechanical Engineering, California (34058)
2011 Mechanical Engineering, Hawaii (14297)
2012 Fire Protection Engineering, California (1805)
LEED Accredited Professional
Memberships—American Society of Heating, Refrigerating and Air-Conditioning Engineers
Mr. Hwang has 13 years of mechanical design experience. He has designed chilled water systems, completed feasibility studies for power plants, and renovation projects for medical and educational facilities. He is a LEED Accredited Professional and a member of the American Society of Heating, Refrigerating and Air Conditioning Engineers.
1990 B.S. Mechanical Engineering, University of Colorado
1991 M.S. Mechanical Engineering, University of California, Berkeley
1994 Mechanical Engineering, California (28932)
1995 Fire Protection, California (1359)
1998 Mechanical Engineering, Hawaii (9546)
2009 Mechanical Engineering, Guam (1418)
LEED Accredited Professional
AABC Certified Commissioning Agent
Memberships – American Society of Heating, Refrigerating and Air-Conditioning Engineers, Society of Fire Protection Engineers, National Fire Protection Association, American Society of Plumbing Engineers, American Society of Mechanical Engineers and American Consulting Engineers Council of Hawaii.
Mr. Jim On's expertise is in the design of plumbing, POL, air conditioning, and fire protection systems. He has also prepared master plan reports and energy surveys. Mr. Jim On is a member of ASHRAE, the American Society of Military Engineers and the Society of Fire Protection Engineers. He recently served as President for the American Consulting Engineers Council Hawaii chapter.
2002 B.S. Mechanical Engineering, Washington State University
2005 M.S. Mechanical Engineering, Washington State University
2011 Mechanical Engineering, Hawaii (14306)
LEED Accredited Professional
Memberships—American Society of Heating, Refrigeration and Air Conditioning Engineers
Owen Crabtree has thirteen years of mechanical engineering design experience. He has been involved in renovation projects of barracks, educational facilities, military complexes, and airports. He has worked on projects located in the state of Hawaii, Japan, Okinawa, Guam, and Wake Island.
1994 B.S. Electrical Engineering, University of Hawaii
1999 Electrical Engineering, Hawaii (9756)
2015 Electrical Engineering, CNMI (451)
BICSI Registered Communications Distribution Designer, RCDD
LEED Accredited Professional Building Design + Construction
Mr. Masuda is the Vice President of InSynergy Engineering, Inc. and is responsible for supervising the electrical engineering staff at InSynergy Engineering, Inc. His 23 years of experience includes the design of electrical and telecommunications systems for both the public and private sectors as well as for the Department of Defense (e.g. Army, Air Force, Navy and Marine Corps) in Hawaii, Guam, Korea, Japan and other locations in the Pacific Basin. He is a LEED Accredited Professional and a BICSI Registered Communications Distribution Designer and is currently serving as a director for the American Consulting Engineers Council Hawaii (ACECH) chapter.
University of Hawaii, B.S. Civil Engineering, 2008
2011 Fire Protection Engineering, California #1787 – passed
NCEES exam
Kouji Kobayashi is responsible for supervising a portion of the fire protection engineering staff at InSynergy Engineering, Inc. His experience includes the design of fire protection engineering and life safety analysis for both the public and private sectors as well as for the Department of Defense (e.g. Army, Air Force, Navy and Marine Corps) in Hawaii, Guam, Korea, Japan and other locations in the Pacific Basin. In addition, he previously served as the Authority Having Jurisdiction/Team Lead Reviewer for the Japan Engineering District for the Army Corps of Engineers.
1995 B.S. Electrical Engineering, University of Hawaii
1994 Electrical Engineering, Hawaii (8374)
Memberships— Institute of Electrical and Electronics Engineers; International Association of Electrical Inspectors
Mr. Takai's experience includes the design of electrical systems for commercial, industrial, residential, resort, and institutional for both public and private sector projects. The types of electrical systems that he has designed included power, lighting, fire alarm, telephone and data systems.
1991 B.S. Mechanical Engineering, University of Hawaii
2005 Mechanical Engineering, Hawaii (11797)
Deron Jyo has 25 years of mechanical engineering experience and is responsible for supervising a portion of the mechanical engineering staff at InSynergy Engineering, Inc. His experience includes the design of mechanical systems for commercial, residential, institutional, resort, and healthcare facilities for both the private and public sectors. Mr. Jyo also specializes in Department of Defense (DOD) work and has worked on various Army, Air Force, Navy and Marine Corps projects in Hawaii, Guam, Korea, and Saipan, and Japan. He is a member of the American Society of Military Engineers (ASME) and American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE).
2012 B.S. Mechanical Engineering, University of Hawaii at Mānoa
2017 Mechanical Engineering, Hawaii (17845)
American Society of Heating, Refrigeration and Air Conditioning Engineerse
Cameron Grant is a Team Leader at InSynergy Engineering, Inc. He is experienced in mechanical engineering design experience. His work experience on a wide variety of projects has provided a solid foundation in air conditioning, plumbing, and fire protection engineering design. He is a member of the American Society of Heating, Refrigeration and Air Conditioning Engineer.
2017 Fire Protection Engineering, California (1973)
Robert Suster is a Team Leader at InSynergy Engineering, Inc.
2017 B.S. Electrical Engineering, Washington State University
2021 Electrical Engineering, California (23896)
1986 Higher Certificate in Mechanical Engineering, Hong Kong Polytechnic
2013 M.S. Fire Protection Engineering, Worchester Polytechnic Institute
2019 M.S. Power Engineering, Worchester Polytechnic Institute
2009 Mechanical Engineering, Guam (1435) - passed NCEES exam
2010 Mechanical Engineering, CNMI (392)
2013 Fire Protection Engineering, Guam (1780) - passed NCEES exam
2018 Mechanical Engineering, California (39331)
2019 Fire Protection Engineering, California (2016)
AABC Certified Commissioning Agent
PMI Certified Project Management Professional
ASSE 6020 Certified Medical Gas Inspector
NICET Certified Fire Alarm Engineering Technician III
NICET Certified Water Based Fire Protection Engineering Technician III
Steel Tank Institute, STI-SP001 Aboveground Tank Inspector
LEED AP® Building Design + Construction (BD+C)
American Society of Heating Refrigerating and Air Conditioning Engineers, American Society of Mechanical Engineers, International Code Council, American Society of Plumbing Engineers, National Society of Professional Engineers, National Fire Protection Association, and Society of Fire Protection Engineers.
Mr. Cheng manages the InSynergy Engineering, Inc. Guam office and has over thirty years of mechanical engineering experience in the design, construction, and commissioning of building systems, including HVAC-R, plumbing, fire protection, and automation controls. His responsibilities include overseeing technical designs, plans, and specifications; construction coordination; quality assurance; quality control; and conducting system performance tests.
2012 B.S. Electrical Engineering - Computer Engineering, Seattle University
2024 Electrical Engineering, Hawaii (21301)
Randy Silva has 13 years of electrical engineering experience and is an Electrical Engineer Manager at InSynergy Engineering, Inc. He has experience in designing and conducting site inspections for infrastructure projects for the State of Hawaii, as well as several island counties including the City & County of Honolulu, County of Hawaii, and Maui County. His project experience has involved overhead and underground electrical and telecom/communication utilities, street lighting, and traffic signals. Additionally, he has worked on site and vertical development for private single-family, multi-family, and commercial projects.