Principal
Ian Arakaki, P.E., CCM
Ian Arakaki has 27 years of experience on civil, sanitary, and environmental projects. He earned a BS in Civil Engineering from Purdue University and is a licensed civil engineer registered in the State of Hawaii. In 2013, he became a Certified Construction Manager accredited by the Construction Management Association of America. His construction-related experience in Hawaii includes Design-Bid-Build, CM-at-Risk, and Design-Build projects, and he is responsible for all construction management and observation projects. In addition, Ian is responsible for providing program management services for various government agencies and a private utility. He served on the Board of Directors for the American Society of Civil Engineers from 2009-2015.
Principal
Jason Lau, P.E, LEED® AP
Jason Lau has 31 years of experience on civil and sanitary engineering projects spanning Federal, State, City, and private sector projects in Hawaii and California. He earned a BS in Civil Engineering from Santa Clara University and is a licensed civil engineer registered in the State of Hawaii. In 2008, he became LEED Accredited for New Construction by the Green Building Certification Institute. His projects involve various civil engineering disciplines with an emphasis on site development, utilities, stormwater quality, erosion and sediment control, and roadway infrastructure. His experience includes coordination, design, feasibility studies, preliminary engineering reports, and preparation of plans, specifications, and cost estimates. He served on the Board of Directors for the American Public Works Association from 2009-2014.
Principal
Kyle Kaneshiro, P.E., LEED® AP
Kyle Kaneshiro has 28 years of civil and sanitary engineering experience with an emphasis on site development and wastewater system design. He has an extensive background in the development of municipal and private facilities including pump stations and treatment plants, municipal and private utilities, drainage and stream studies, and government permits. He earned a BS in Civil Engineering from the University of California–Irvine and is a licensed civil engineer registered in the State of Hawaii. In 2009, he became LEED Accredited for New Construction by the Green Building Certification Institute. He has served on the Board of Directors for the American Council of Engineering Companies of Hawaii since 2019 and is currently the organization’s President.
Associate Principal
Eric Arakawa, P.E., LEED® AP
Eric Arakawa has 21 years of civil engineering design and construction experience. He earned a BS in Civil Engineering and a MBA in Business Administration from the University of Portland and is a licensed civil engineer registered in the State of Hawaii. His projects include roadway infrastructure and utilities design, site development, and construction management of water and wastewater upgrades. In 2016, he was named Young Engineer of the Year by the Hawaii Council of Engineering Societies. He served on the Board of Directors for the American Society of Civil Engineers from 2014-2020 and graduated from the American Council of Engineering Companies of Hawaii’s Emerging Leaders program in 2023.
Associate Principal
Joe Kwan, P.E., LEED® AP
Joe Kwan has 16 years of civil and sanitary engineering experience. He earned a BS in Civil Engineering from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. In 2009, he became LEED Accredited for New Construction by the Green Building Certification Institute. His expertise is in the planning, design, and construction management of wastewater collection systems, pump stations, force mains, and treatment facilities. He is also experienced with site development and utilities design. He is currently participating in the American Council of Engineering Companies of Hawaii’s Emerging Leader program.
Associate Principal
Jennifer Lim, P.E.
Jennifer Lim has 15 years of civil and sanitary engineering experience. She earned a BS in Civil Engineering from Tufts University and is a licensed civil engineer registered in the State of Hawaii. Her projects include planning, design, and management of water and wastewater systems, design-build projects, utilities design, site development, and irrigation systems.
Associate Principal
Trevor Vagay, P.E.
Trevor Vagay has 15 years of experience on civil and sanitary engineering projects. He earned a BS in Civil Engineering from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. His design projects include stormwater quality treatment, wastewater collection systems, utilities design, site development, residential subdivisions, and roadway improvements. He was a member of the first graduating class from the American Council of Engineering Companies of Hawaii’s Emerging Leader program in 2018 and is currently serving as Secretary on the board of the American Public Works Association.
Past-President
John Katahira, P.E.
John Katahira retired at the end of 2022 after a 27-year career in the civil, sanitary, and environmental engineering industry. He will continue to lead and facilitate public outreach campaigns for highly controversial projects requiring community acceptance prior to construction. He earned a BS and MS in Civil Engineering and a MBA in Business Administration from the University of Hawaii at Manoa. He has received several honors for his individual achievements and contributions to the engineering community. In 2002, he received Pacific Business News’ Forty Under 40 Award; and in 2005, he was named Young Engineer of the Hawaii Council of Engineering Societies. He received one of 2009’s Three Outstanding Young Persons Award by the Rising Phoenix Jaycees; and in 2017, he was presented with the Outstanding Service Award by the University of Hawaii, College of Engineering. He served on the Board of Directors for the American Council of Engineering Companies of Hawaii from 2003-2013 and the Hawaii Water Environment Association from 2005-2009 and is currently the Past-President for University of Hawaii at Manoa’s Engineering Alumni Association. He was recently elected to the Board of Directors at the Hawaii State Federal Credit Union.
Project Manager
Yvonne Turro, P.E.
Yvonne Turro has 28 years of experience in the civil engineering field with an emphasis on land development and Low Impact Development (LID) improvements. She earned a BS in Civil Engineering from the U.S. Coast Guard Academy and is a licensed civil engineer registered in the State of Hawaii. Her projects include engineering feasibility studies, best management practices (BMP) design for stormwater quality treatment and pollution prevention, and residential and commercial site development.
Project Manager
Jessica Agsalda, P.E.
Jessica Agsalda has 12 years of experience in civil engineering. She earned a BS in Civil Engineering and MS in Environmental Engineering from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. Her projects include subdivisions, potable water wells, reservoirs, wastewater system design, utilities design, and street rehabilitation. She is currently serving as Secretary on the board of the Hawaii Water Environment Association.
Structural Engineer
Kevin Fong, P.E.
Kevin Fong has 17 years of experience on civil and structural engineering projects. He earned a BS in Civil Engineering from Stanford University and a MS in Structural Engineering from the University of California-San Diego. He is a licensed civil engineer registered in the State of Hawaii and California. His projects include water quality studies, project management, construction management, and the repair/renovation/retrofit of existing structures.
Project Engineer
Brandon Whitaker, P.E.
Brandon Whitaker has 12 years of experience in civil engineering and construction management. He earned a BS in Civil Engineering from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. His projects include stormwater pollution prevention, wastewater collections systems, force mains, and pump stations.
Project Engineer
Justin Barnes, P.E.
Justin Barnes has 9 years of experience on civil and sanitary engineering projects. He earned a BS in Civil Engineering, Environmental Specialty, with a Minor in Mathematics from Seattle University and is a licensed civil engineer registered in the State of Hawaii. His projects include wastewater system design, stormwater pollution prevention, and construction management.
Project Engineer
Megan Ueno, P.E.
Megan Ueno has 11 years of civil engineering design and construction experience. She earned a BS in Civil Engineering from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. Her projects include design of wastewater collection systems, utility improvements, and site development; project management and construction administration for drainage improvement and street rehabilitation projects; and construction management.
Senior Staff Engineer
Alysse Nakasato, E.I.T.
Alysse Nakasato has 2 years of experience on civil engineering projects. She earned a BS in Civil Engineering from the University of Hawaii at Manoa. Her projects include site development and utilities design with emphasis on infrastructure upgrades at various facilities on military bases.
Senior Staff Engineer
Davi Corcio-Alvarez, E.I.T.
Davi Corcio-Alvarez earned a BS in Civil Engineering from the University of Southern California. She has served as Project Engineer for over 8 years on construction projects involving condominium development and building renovations and construction management of wastewater infrastructure upgrades.
Senior Staff Engineer
Jerome Do
Jerome Do earned a BS in Civil Engineering from the University of Hawaii at Manoa and has 6 years of civil engineering design and construction experience. His projects include site development, water/wastewater infrastructure upgrades, stormwater pollution prevention, and construction management.
Staff Engineer
Yared Sileshi, E.I.T.
Yared Sileshi earned a BS in Civil Engineering from Hawassa University Faculty of Technology. He has served as Project Engineer for over 9 years on construction projects involving the development of condominiums, office buildings, hospitals, and factories. He assists on civil and sanitary engineering and construction management projects.
Staff Engineer
Karen Yamashita, E.I.T.
Karen Yamashita has 3 years of experience on civil and sanitary engineering projects. She earned a BS in Environmental Engineering from the University of Notre Dame. Her projects include planning and design of water and wastewater systems.
Staff Engineer
Ian Endrina, E.I.T.
Ian Endrina has 3 years of experience on civil and sanitary engineering projects. He earned a BS in Civil Engineering from the University of Hawaii at Manoa. His projects include wastewater system design, stormwater pollution prevention, and site development.
Staff Engineer
Ansen Nakasato, E.I.T.
Ansen Nakasato has 2 years of experience on civil and sanitary engineering projects. He earned a BS in Civil Engineering from the University of Hawaii at Manoa. His projects include wastewater system design, stormwater pollution prevention, and site development.
Staff Engineer
Gianne Constantino
Gianne Constantino is a recent graduate from the University of Hawaii at Manoa where she earned a BS in Civil Engineering. She assists on civil and sanitary engineering and construction management projects.
Staff Engineer
Michelle Honma
Michelle Honma is a recent graduate from the University of Hawaii at Manoa where she earned a BS in Civil and Environmental Engineering. She assists on civil and sanitary engineering projects.
Staff Engineer
John Sadorra
John Sadorra is a recent graduate from the University of Hawaii at Manoa where he earned a BS in Mechanical Engineering. He provides programming assistance for Collection System Maintenance.
Staff Engineer
Timothy Choi
Tim Choi is a recent graduate from the University of Hawaii at Manoa where he earned a BS in Civil Engineering. He assists on construction management projects.
Environmental Planner
Claire Oshiro
Claire Oshiro has 25 years of experience as a planner on infrastructure projects for federal, state, and local agencies, as well as private entities. She received a BA in General Arts and Architecture from Pennsylvania State University. Her duties include the preparation of environmental assessments, environmental impact statements, planning reports, and permits.
Environmental Planner
Jason Nakata, P.E.
Jason Nakata has 15 years of experience in environmental. He earned a BS in Civil Engineering and a MBA in Business Administration from the University of Hawaii at Manoa and is a licensed civil engineer registered in the State of Hawaii. His duties include the preparation of environmental assessments; planning reports; zoning and land use approvals; discretionary permit approvals (SMA permits, CDUP, shoreline approvals); and County, State, and Federal resource agency reviews (SHPD, US Fish and Wildlife).
GIS Analyst/Staff Environmental Planner
Audrey Haerle
Audrey Haerle earned a BS in Environmental Studies from Hawaii Pacific University. She has 13 years of experience in stormwater sampling, analysis, and reporting to meet MS4 NPDES permit requirements and creating geodatabase and managing GIS shapefiles. She served on the Board of Directors for the Hawaii Water Environment Association since 2015 and is currently the organization’s National Director/Delegate. She has also served as the Public Education Committee Co-Chair since 2012.
Environmental Planner
Jenny Bernier
Jenny Bernier earned a BS in Global Environmental Science from the University of Hawaii at Manoa. She has 8 years of experience in environmental compliance and will assist with environmental permitting for stormwater and civil infrastructure projects. She also conducts inspections and provides guidance on stormwater Best Management Practices for construction projects.
Staff Environmental Planner
Aimee Miyahira
Aimee Miyahira earned a BA in Zoology from the University of Hawaii at Manoa and has 6 years of permit routing experience. She assists with environmental permitting for water, stormwater, and civil infrastructure projects and the preparation of environmental assessments and planning reports.
Senior Construction Inspector
David Goya
David Goya has over 42 years of construction experience including 15 years as a Construction Inspector for the City and County of Honolulu on roadway, drainage utility, and wastewater (treatment plants, pump stations, sewer lines) construction projects.
Construction Inspector
Paul Serikawa
Paul Serikawa has 14 years of construction inspection experience on stormwater pollution prevention projects, including construction oversight and administration services for the Department of Transportation’s Stormwater Management Plan and 3rd party stormwater inspections for the City and County of Honolulu’s NPDES Permit.
Construction Inspector
Michael Perry
Mike Perry has 8 years of experience providing construction oversight and administration services for the State Department of Transportation’s Stormwater Management Plan.
Construction Inspector
Scott Lai
Scott Lai has 8 years of experience on asphalt concrete paving, water, and wastewater construction projects. His projects include removal and installation of new asphalt pavement, restriping of parking lots and roadways, and construction management of water and wastewater infrastructure upgrades. He received a BA in Sociology from the University of Hawaii at Manoa.
Construction Inspector
Aaron Katagihara
Aaron Katagihara has over 8 years of experience serving as Project Coordinator on asphalt concrete paving projects and Inspector of stormwater and wastewater construction projects. His projects include removal and installation of new asphalt pavement, guardrail repair and replacement, stormwater inspections, and wastewater infrastructure upgrades.
Office Manager
Corey Arakaki
Corey Arakaki has 23 years of experience performing accounting and HR duties. She earned a BS in Business Administration with an emphasis in Accounting from the University of Northern Colorado and a Master of Accountancy from the University of Hawaii at Manoa. Her responsibilities include general ledger accounting through financial report preparation, tax reporting, HR management, and office management.
Administrative Assistant
Diane Lau
Diane Lau has 15 years of experience as an administrative assistant. She earned an AS in Culinary Arts from Kapiolani Community College. Her responsibilities include clerical duties and project assistance.
Administrative Assistant
Dana Lei
Dana Lei has 10 years of experience as an administrative assistant. She earned an AS in Pastry Arts from Kapiolani Community College. Her responsibilities include clerical duties and project assistance.
Administrative Assistant
Lisa Wong
Lisa Wong has over 25 years of customer service experience. She earned an BA in Education from the University of Hawaii at Manoa. Her responsibilities include clerical duties and project assistance.
Administrative Assistant
Kayla Manuel
Kayla Manuel has 4 years of experience as an administrative assistant. She earned a BS in Business Administration from the University of Hawaii – West Oahu. Her responsibilities include clerical duties and project assistance.
Administrative Assistant
Daniel Woo
Daniel Woo has 3 years of customer service experience. He earned a BS in Business Administration from Chaminade University. His responsibilities include clerical duties and project assistance.
Administrative Assistant
Manola Chanthakham
Manola Chanthakham has 7 years of customer service and administrative assistant experience. She earned a BA in Psychology from the University of Hawaii at Manoa. Her responsibilities include clerical duties and project assistance.