PROJECT TEAM
Stockwell Engineers believes that providing Harrisburg residents with superior design and construction administration services begins with assigning the highest quality individuals to the project. Our team of professionals will make your construction project a success.
Click on each photo to learn more about your project's team members.
Project Design Team

Aaron Moen, P.E., P.M.P.
Stockwell Engineers
Project Manager
Aaron is a registered professional engineer with nearly 25 years of experience in design, construction, and project management. He has extensive experience with leading teams through all phases of a capital project from inception through completion, with a proven track record of delivering projects safely, on budget, and on-time.
Ryan Truax, E.I.T
Stockwell Engineers
Plant Design
Ryan is an engineer in training with 4 years of experience in writing water and wastewater facility planning documents as well as developing plans and specifications. He has a Master’s degree in Civil and Environmental Engineering and is currently pursuing his professional engineering license.
Shashi Prasad, P.E.
Stockwell Engineers
Plant Design, Lift Station,
Head Works, Final Disinfection
Shashi has 40 years of experience in water and wastewater engineering. His time as a core designer includes a wide range of projects from lift stations, oxidation ditches, sequencing batch reactors, clarifiers, and screening facilities, to headworks, odor control, chemical feed equipment and chemical storage equipment.
Shane Dennis, E.I.T.
Stockwell Engineers
Project Inspector
Shane is an engineer in training with 2+ years of experience in the design and construction administration of municipal and water related projects. Shane is currently pursuing a Master's degree in Civil and Environmental Engineering with an emphasis in Water Resources.
Project Construction Team
Mike Ralston
Henry Carlson Construction
Preconstruction Services
Mike is part of the Preconstruction team. His attention to detail ensures budgets are accurate for projects big and small. Mike is an immediate asset to your project because of his experience working on the Great Plains Zoo renovation and other renovation projects.
Darin Pfingsten
PKG Contracting, Inc.
President
Darin has been with PKG Contracting for 23 years and has a history of maintaining high levels of quality while adhering to specifications, schedules and budgets. He will be fully available to the City for the duration of the project to address concerns to be resolved above the project management level. Darin is located in PKG’s Fargo office and can be on-site as needed.
Russ Sorenson
PKG Contracting, Inc.
Wastewater Consultant
Russ has extensive experience in multiple aspects of the water and wastewater treatment industry including conventional and advanced drinking water and wastewater treatment, storage, piping, pumping, distribution, and collection systems. He has provided detailed services in master planning and facility plan reports, preliminary and final designs, construction observation and administration and surveying.