Staff

Who is on the cbec team?

cbec prides itself on the extensive level of practical and academic experience held by its staff and management.

the core of our success

Management Team

Chris Bowles PhD, PE

Managing Director / Ecoengineer

Chris is a registered civil engineer specializing in hydraulics, hydrology, geomorphology, water resources, water quality and environmental restoration. He has worked tirelessly to provide innovative and holistic solutions for our water environment.

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Chris Campbell MS

Director / Ecohydrologist

Chris Campbell has more than sixteen years of engineering and project management experience. He specializes in hydrodynamics, physical hydrology, sediment transport, geomorphology, water resources, and ecosystem restoration.

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Chris Hammersmark PhD, PE

Director / Ecohydrologist

Chris is a registered civil engineer specializing in hydraulics, hydrology, geomorphology, water quality, ecology, and ecosystem rehabilitation/restoration.

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Hamish Moir PhD

UK Managing Director

Hamish is cbec’s UK Managing Director and has extensive training in the fields of fluvial geomorphology-instream ecology interactions and river engineering, both in research and consultancy capacities.

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operations

Aaron Stephens BA

Accounting Manager

Aaron joins cbec with over 20 years of project accounting experience. Before coming to cbec, he was the CFO of an IT services company that serviced major federal and state contracts. In._.

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Alexandria Valle

Administrative Assistant

Alexandria Valle has been our administrative assistant since 2016 and directly under the Operations Manager and Business Office Manager. She assists in all aspects of the administrative duties.

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Alexis Wessels BA

Operations Manager

Alexis’ responsibilities include operations, human resources, health and safety, administration planning, marketing, project management and the business office.

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Emily McCommas BS

Marketing Coordinator

Emily serves as cbec’s Marketing Coordinator, with expertise in the graphic design and project management fields. She coordinates both internal and external business development efforts, as well as cbec’s online presence.

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team members

Abe Aufdermauer BS

Ecohydrology Technician

At cbec, Abe performs a combination of field work and desk-based analyses to characterize hydrology, hydraulics, geomorphology and sediment transport processes of California streams and rivers.

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April Sawyer MS

Ecohydrologist

April has extensive experience in fluvial geomorphology, hydraulic modeling, and aquatic biology with an emphasis on river restoration.

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Ben Taber BS, PE

Ecoengineer

Ben has a background in Civil Engineering with practical experience in hydraulics, hydrology, hydrodynamics, geomorphology, flood management, water quality, and sediment transport.

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Chris Connor BS

Ecohydrology Technician

Chris joined cbec in 2016, providing field support, and has since expanded is role with tasks ranging from marketing to modeling. He is interested in UAV surveying and photogrammetry.

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Doug Shields, Jr. PhD, PE, D.WRE, F.ASCE, F.EWRI

Senior Scientific Advisor

Doug is a civil engineer specializing in hydraulics, geomorphology, water quality and restoration of freshwater aquatic and riparian habitats and is an international leader in river restoration research and practice.

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Evan Pesut BS

Ecohydrology Technician

Evan Pesut recently graduated from Purdue University’s Agricultural & Biological Engineering department with a focus on Environmental and Natural Resources Engineering. Prior to joining cbec, Evan spent one year as a civil._.

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Gavin Downs MS

Ecohydrologist

Gavin has experience in a wide range of field data collection techniques as well as 1D and 2D modeling of hydrologic processes. He enjoys applying his knowledge to maintain and restore waterways.

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Greg Shellenbarger Eng, MS

Ecohydrologist

Greg has expertise in a variety of fieldwork and analysis including estuarine sediment transport, time-series analysis of water quality variables, dissolved oxygen cycling, and using geochemical tracers to understand coastal nutrient supply.

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Jai Singh BS

Senior Ecohydrologist

Jai has experience in hydrology, fluvial geomorphology, water quality and ecosystem restoration and specializes in river restoration, geomorpology studies, interdisciplinary watershed assessments, and hydrodynamic modeling.

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John Stofleth MS, PE

Senior Ecohydrologist

John is adept at evaluating and implementing projects that require complex hydraulic and geomorphic solutions and has great experience in hydraulic engineering, fluvial geomorphology and watershed ecology.

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Jon Parsons MS, EIT

Ecohydrologist

Jon provides expertise on fish passage improvement, environmental rehabilitation, and erosion control projects via initial fieldwork, hydrologic analysis, hydraulic modeling, drafting and design, and record surveys.

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Lars Larson BS, EIT

Ecohydrology Technician

Lars graduated with a BS in Ecological Engineering from Oregon State University, specializing in hydraulic modeling, watershed processes, and river engineering. Lars worked with the OSU Rivers Lab to create a hydraulic._.

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Launa Sherrin MS, PE

Ecohydrologist

Launa is a registered Engineer-in-Training with over 5 years of experience in hydrology and water resources engineering. She holds a BS in Geophysics from the University of California, Santa Barbara and an._.

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Luke Tillmann MS

Ecohydrologist

Luke is qualified in Environmental Sciences and Hydrology and has worked extensively in the Colorado Rocky Mountains studying climate-driven altitudinal shifts through remote sensing, geospatial modeling, and field work.

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Matt Weber MS, EIT

Ecohydrologist

Matt has a background in engineering, hydrology, and restoration ecology; experience leading large-scale plant community restorations; and research experience working with rivers.

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Michael Founds MS

Ecohydrologist

Michael joins the cbec team with experience in the Central Coast, Tahoe Basin, and Western rangelands, and specialties in rangeland restoration, vadose and groundwater modeling, and surface water modeling of urban systems.

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Nick Southall MSc

Senior Ecohydrologist

Nick is an experienced project manager with close to two decades of river restoration experience. His work has spanned the watershed from headwater streams, through rural and urban landscapes, into estuarine systems.

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Rafael Rodriguez BS

Ecohydrology Technician

Rafael has experience in fluvial geomorphology, water quality, and hydrogeology and has applied his multidisciplinary background to investigate flood management practices, salmonid habitat conservation, and surface-groundwater interactions.

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Sam Diaz PE, CPESC, QSD/QSP

Senior Ecoengineer

Sam has experience covering a wide range of civil engineering projects and is well versed in designing, creating and preparing construction documents, project permitting, and construction monitoring and surveying.

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Toby Stegman MS

Ecohydrologist

Toby has a master’s from the University of Wyoming in fluvial geomorphology and remote sensing, and an undergraduate degree from the University of Vermont in environmental geology.

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