James Hartrick, PE

James Hartrick James Hartrick, PE, joined LimnoTech in September 2021 as an Environmental Engineer. James has a strong background and experience modeling groundwater, rivers, and sewers and in [...]

Scott Hinz

Scott Hinz Scott Hinz is a Senior Environmental Scientist at LimnoTech with extensive experience in developing and applying water quality, hydrologic, and hydrodynamic models to systems [...]

Nate Jacobson

Nate Jacobson Nate Jacobson is an Environmental Scientist with expertise in corporate water stewardship and sustainability, WASH (water, sanitation, and hygiene access), biological services, and [...]

Volker Janssen

Volker Janssen Volker Janssen is a Senior Hydraulic and Water Resources Engineer at LimnoTech. Volker has over 20 years of experience in hydrology, hydraulics, hydrogeology, and GIS, and has [...]

Billy Johnson, PHD, PE

Billy Johnson Billy E. Johnson, PHD, PE, D.WRE, FASCE, is a Senior Scientist at LimnoTech. Billy has over 40 years of experience as a civil research engineer, educator, and consultant for [...]

Sarah Jordan

Sarah Jordan Sarah Jordan joined LimnoTech in May 2021 as an Environmental Engineer. Her areas of expertise include corporate water stewardship, risk assessment, data analysis and visualization, [...]

Roxana Lagunas

Roxana Lagunas Roxana Lagunas joined LimnoTech in June 2025 as an Environmental Scientist following completion of her Master’s degree in Water Resources Management from the Bren School of [...]

Peter Klaver, PE

Peter Klaver Peter Klaver, PE, is a Senior Environmental Engineer with over 35 years of experience in water pollution control issues, including wastewater treatment, NPDES permitting, and water [...]

Renn Lambert, PE

Renn Lambert Renn Lambert, PE, is a licensed environmental engineer with over ten years of experience providing water quality and environmental solutions both in the U.S. and internationally. [...]

Rachel Lo

Rachel Lo Rachel Lo joined LimnoTech in 2024 and supports corporate water stewardship, including volumetric water benefit accounting (VWBA), programmatic guidance, risk assessments, and project [...]