About

ROB LEE, PE, PMP

Principal Engineer

Rob has spent his entire career as a consultant in the municipal environmental engineering field. He began his career on the East Coast, including serving as an assistant program manager on a successful 17-year $170M CSO elimination program by using the gamut of trenchless rehabilitation solutions to reduce peak wet-weather flows. After moving back to the West Coast, Rob built on his experience by working on numerous successful projects and programs, including successful I/I, asset management, and rehabilitation programs.

Rob has a passion for growing and improving the industry through numerous avenues. He is an advocate for diversifying the water field at all levels. He is the 2018 Lyman Ketcham Award for his contributions to collection systems in the Northwest and is currently serving as Vice-President for the Pacific Northwest Clean Water Association Board of Directors.

YARROW MURPHY, PE

Senior Engineer

Yarrow is an expert at hydrodynamic modeling, concept planning, design support, and asset management. Throughout her career, she has earned a reputation for skilled mentoring and successfully delivering sensible solutions to unique challenges. She particularly enjoys working with clients to determine their individual goals and find the right solution for each unique problem.

She spent the first 10 years of her career working for the City of Portland, Bureau of Environmental Services, where she specialized in hydrodynamic modeling and analysis of Oregon’s largest combined sewer system. She entered the private sector about three years ago, looking to diversify her experience and serve a wider range of clients in the Pacific Northwest region.

ZACH SWARTZENDRUBER, PE

Project Engineer

Zach is a graduate of Oregon State University, where he completed his degree in Civil Engineering.  The majority of his career has been focused on condition assessment and sanitary sewer rehabilitation and replacement design as a consultant to municipalities.  He has worked on and designed many small and large projects utilizing trenchless rehabilitation methods and traditional open-cut. Zach grew up and spent his entire career in the Northwest and is passionate about improving and making the region a better place. Zach enjoys a collaborative work style bouncing ideas off of one another to come to the best approach.

RYLEE ARCHULETA, PE

Project Engineer

Licensed in Oregon and Washington, Rylee’s passion for math and the outdoors brought her to civil engineering, with a specialty in all things sewer related. She is experienced in sewer assessment and design as well as Inflow & Infiltration study and planning projects. Rylee has also spent time working with the City of Portland conducting hydraulic modeling for combined sanitary and storm gravity systems. She enjoys building relationships and thinking outside the box to help solve clients’ problems as efficiently as possible. Rylee currently serves as the secretary for the North American Society of Trenchless Technology’s Pacific Northwest chapter. When she’s not working, Rylee enjoys being outdoors, whether it’s backpacking, skiing, or laying on a sunny beach, preferably with her dog in tow. 

DELANDRA CLARK, EIT

Staff Engineer

Delandra recently graduated from North Carolina State University with a degree in Environmental Engineering. During her studies, her research topics centered around floodplain policy and environmental justice issues. Coming from a family of operator engineers, Delandra gained an understanding of the greater social and political realities surrounding municipal construction projects. Delandra continues to have a passion for being part of an engineering movement that designs resilient infrastructure to protect people and maintain the community.

SHANT DOUZDJIAN

Staff Engineer

Shant’s interest in resource management led him to the University of California, Davis where he completed his master’s in environmental engineering with a focus on water resources. Shant has worked on large planning projects in the past and is experienced in hydrologic and hydraulic modeling. He is passionate about sustainable urban systems and enjoys building relationships with clients and teammates. Outside of work, Shant can be found experimenting in the kitchen, exploring the outdoors, and hitting the pickleball courts.

CHRISTIAN NGUYEN

Staff Engineer

Christian recently graduated from Oregon State University with a degree in Chemical Engineering. His passion for sustainable development has led him to a career in project management and engineering design. He aims to build on his portfolio in project execution and plant engineering. His experience includes resource management, client and contractor support, and project development in various industries, including semiconductors and energy management. Christian thrives on challenging assignments and values learning from those around him. In his free time, he enjoys soccer, traveling, listening to podcasts, and exploring different foods.

KATIE CHI

Intern

Katie is currently entering her senior year at Chapman University, where she studies Environmental Science & Policy with a concentration in Ecology. Her academic background has fostered a strong interest in sustainability, ecological restoration, and the practical applications of environmental science in water resource management. She is enthusiastic about gaining hands-on experience through her internship and contributing to impactful environmental projects that serve local communities. Outside of her academic pursuits, Katie enjoys spending time outdoors—whether it’s hiking, swimming, or foraging along the coast for crabs and clams. She also has a passion for thrifting and exploring new places with friends.

BENNIA KO

Administrative Specialist

Bennia is business-oriented with an entrepreneurial spirit.  Her goal is to improve efficacy and efficiency in every business with the help of technological advances while improving customer service and employee satisfaction. 

Owning her own business and working in healthcare information technology has given her experience in seeing how information technology can be an asset to any business platform.  Bennia’s passion is to align IT initiatives with business goals to provide the context and channels for organization-wide success.