Over the years, we’ve been honored to welcome some of the most talented minds in the industry to our team, and our partners benefit from their knowledge, guidance, and expertise.

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William deRosset

Hydraulic Engineer

Fort Collins, CO

"Ayres provides me an intellectually challenging and diverse project environment for water resources engineering. I've been part of teams extending the state of practice in bridge hydraulic design, scour analysis, scour countermeasure design, and river rehabilitation and restoration."
William deRosset

Will's primary areas of expertise are in water resources engineering and hydraulic modeling. He has significant experience in 1- and 2-dimensional steady and hydrodynamic hydraulic models, including HEC-RAS, RMA-2V, SRH, FESWMS, FLO-2D, CCHE-2D, and UNET. He also has substantial experience in bridge scour, sediment transport analysis, stream rehabilitation, and stable channel design. He has used the HEC-6 and HEC-6T 1-dimensional sediment transport models.

Will is an instructor for five National Highway Institute (NHI) courses, including 135041: Introduction to HEC-RAS and 135090: Hydraulic Design of Safe Bridges. He received an Instructor of Excellence award from NHI for his teaching work in fiscal year 2012.

  • Certified Floodplain Manager
  • BS, Civil Engineering, Colorado State University
  • BA, History, Radford University
  • Registered Professional Engineer, ID
  • Registered Professional Engineer, MT
  • Registered Professional Engineer, CO