Ron E. Iwamoto, M.S., P.E.

President

Principal & Structural Engineer

Ron Iwamoto is a registered professional engineer, President and managing principal of the firm.  He has designed and supervised numerous complex structural engineering projects ranging from new structures, to the repair, renovation and retrofit of existing structures.  He has experience in designing Public Facilities, Office Buildings, Retail and Commercial Buildings, Apartments and Residential Structures, and Industrial/Warehouse Facilities.  He has performed investigations and assessments of existing structures including Failure Analysis, Due Diligence Studies, and Facilities Assessments.  He has managed and worked on projects in Hawaii, California, Singapore, and other various locations in the Pacific Region.

Eric S. Tomishima, M.S., M.B.A., P.E.

Principal & Structural Engineer

Eric Tomishima is a registered professional engineer and principal with the firm.  He has designed and managed structural engineering projects ranging from new structures, to the repair, renovation and retrofit of existing structures.  He has experience in designing Public Facilities, Office Buildings, Retail and Commercial Buildings, Residential Structures, and Industrial/Warehouse Facilities.  He has performed assessments of existing building structures including Load & Seismic Analysis, and Wind Analysis.

Juan D.G. Gonzalez, Jr.

Structural Designer

Juan Gonzalez Jr. is a structural designer with the firm.  He has provided structural engineering design and analysis support to our Structural Engineers for various projects including new structures and the renovation and retrofit of existing structures.  He has experience in the gravity and lateral design of various structural material and has worked on the design of Public Facilities, Educational Facilities, and Residential Structures.

Doren M. M.C. Santoki

Structural Designer

Doren Santoki is a structural designer with the firm.  He has provided structural engineering design and analysis support to our Structural Engineers for various projects including the design of new structures and the renovation and retrofit of existing structures.  He has experience in CADD and modelling utilizing REVIT Structural software having modeled various building structures including multi-story Public and Residential structures, as well as Commercial and Retail structures. 

Ian R.T. Balmilero
CADD Manager

Ian Balmilero is the firm’s CADD manager.  He has worked on and managed the CADD work on a number of complex structural engineering projects ranging from new structures, to the renovation and retrofit of existing structures.  He has experience in CADD drafting using AutoCAD software with all of the major structural engineering materials including:  wood, structural steel, light gauge steel, masonry, and concrete.  He also has experience in 3D CADD and modelling utilizing REVIT Structure software.

Andrea T. Iwamoto
Office Manager

 

Andrea Iwamoto is the firm’s office manager.  She manages numerous office functions including employee benefits, payroll, and accounts payable and receivable.  She is knowledgeable in the preparation of various proposals and design specifications for various structural materials.