Jason Lillywhite
Principal Consultant at Lillywhite Water Solutions LLC
Bellevue, Washington, United States
Summary
👤
Senior🎓
Top SchoolJason Lillywhite is a Principal Consultant and founder of Lillywhite Water Solutions with over two decades of hands-on experience building simulation models and decision-support tools for water agencies, municipalities, irrigation districts, and industrial clients. He specializes in integrated water balance modeling, stochastic risk analysis, reservoir operations, and groundwater–surface water interactions, and has delivered high-stakes, defensible models across the western U.S. and internationally. Jason pairs deep technical modeling expertise with software skills—developing custom web applications and cloud-hosted APIs that make complex simulations interactive and stakeholder-ready. His career blends consulting, product-focused roles at GoldSim Technology Group, and project leadership at CH2M HILL, giving him a rare mix of technical, managerial, and commercial experience. Based in Issaquah, WA, he holds an MS in Civil/Environmental Engineering and brings a pragmatic focus on usability: clients get models they can actually run, interrogate, and trust. An often-overlooked strength is his ability to translate probabilistic simulation results into clear policy and operational recommendations under deep uncertainty.
10 years of coding experience
26 years of employment as a software developer
The University of UtahBachelor of Science, Civil Engineering, Bachelor of Science, Civil Engineering at Brigham Young University
cambodian
Stackoverflow
198reputation
22kreached
7answers
15questions
Github Skills (18)
sound-processing7
music-information-retrieval7
python-bindings7
goodness-of-fit6
declaration6
music6
modeling6
audio6
linear-algebra6
math6
weather6
java6
simplex-algorithm6
algorithm6
simulation6
Programming languages (3)
Github contributions (5)
jlillywh/SHRINE
Dec 2018 - Oct 2019
Contributions:210 commits, 15 PRs, 261 pushes in 10 months
jlillywh/RTHYM-MOC
May 2026 - Jun 2026
Contributions:1 release, 10 PRs, 84 pushes in 1 month
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