Aaron D. Biesinger, PE

Lead Structural Engineer

Aaron is responsible for starting Hollingsworth Pack’s Salt Lake City office and currently manages and oversees all structural engineering, detailing and project management within the intermountain region. 

Skill Set

Aaron has nearly 20 years of experience of structural and seismic engineering work. He has completed seismic analysis and designs for hundreds of structures, serving as lead engineer. His work experience includes work on steel moment frame, concrete shear wall, light-framed and CMU/masonry buildings. Aaron also designs various foundations in a wide spectrum of soil conditions, including soils with high liquefaction potential. These foundations include deep pier foundations, micro-piles with pile caps, shallow/spread foundations, and traditional foundation walls stop continuous footings.

Outside of Work

Aaron is a father of four daughters and enjoys time outdoors; hiking, biking, camping, and touring. He is an active triathlete and has completed dozens of races.


- Seismic Analysis & Design

- Wind Structural Analysis & Design

- Foundation Design

- Project Construction and Modification

- Concrete, Steel, Masonry & Wood Design

- Light-Framed construction

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Professional Engineering Licenses

California No 76140

Colorado No 48979

Idaho No 15026

Nevada No 21247

Oregon No 85962PE

Utah No 7848760

Washington No 48697

Wyoming No 13191