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

Founder, Managing Director

Chris is a registered civil engineer (CA P.E. C76898) specializing in hydraulics, hydrology, geomorphology, water resources, water quality and environmental restoration. He has over 25 years of project management experience on a._.

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Chris Campbell MS

Technical Director

Chris Campbell has more than sixteen years of engineering and project management experience with an emphasis in ecohydraulics and ecohydrology. He specializes in hydrodynamics, physical hydrology, sediment transport, geomorphology, water resources, and._.

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Christopher Hammersmark PhD, PE

Director

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

Alexandria Valle

Administrative Assistant

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

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Alexis Wessels BA

Operations and Safety Manager

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

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Elizabeth Voss BA

Accounting Manager

Elizabeth Voss is an experienced accounting & finance professional with a successful history in both the private and public sectors. Elizabeth received a Bachelor’s Degree in Accounting from Minot University.  Shortly after._.

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Emily McCommas BS, AA

Marketing Coordinator

Emily joined the cbec team in the capacity of Marketing Coordinator in September 2017. With her arrival, she brought over 8 years of expertise in the graphic design and project management fields.._.

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team members

April Sawyer MS

Eco-Hydrologist

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

Eco-Engineer

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

Eco-Hydrologist

Chris joined cbec in 2016 to provide field support to a variety of projects. He has since performed tasks ranging from marketing to modeling. He has experience in coding (python, R, VBA, MATLAB)._.

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Denise Tu MS, EIT

Eco-Hydrologist

Denise has experience in aquatic ecology, fluvial geomorphology, hydrology and water resource engineering and has been involved in several river restoration projects.

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

Eco-Engineer

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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Gavin Downs MS

Eco-Hydrologist

Gavin graduated with a Bachelor’s (2015) and Master’s degree (2017) in Environmental and Natural Resources Engineering from the Department of Agricultural and Biological Engineering from Purdue University.  Gavin’s Master’s thesis studied the._.

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Jai Singh BS

Eco-Hydrologist

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

Eco-Engineer

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

Eco-Hydrologist

Jon completed his B.S. in biology at the University of California, Santa Cruz before pursuing an M.S. in civil engineering at San Jose State University. His graduate studies focused on topics such._.

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Jordan Fields BA

Eco-Hydrologist

Jordan graduated from Williams College in 2017, where he earned a B.A. in Geoscience and first discovered his passion for water and rivers. During his time at Williams, he spent three summers._.

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Juma Mohammadi BS

Eco-Hydrologist

Juma has over 7 years of experience in highway design and construction, during which he was involved in all phases of the work, from feasibility to project closeout. He earned his Bachelors._.

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Luke Tillmann MS

Eco-Hydrologist

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

Eco-Hydrologist

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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Nathan Cheshier MS

Eco-Hydrologist

Nathan’s diverse background includes three years of geotechnical consulting and a stint in Europe where he obtained an M.S. in Sedimentology from the University of Utrecht in the Netherlands. It was in._.

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Rafael Rodriguez BS

Eco-Hydrologist

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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Rusty Barker MS, PE

Eco-Engineer

Rusty joined the hydrology and water resources field in 2009. He completed his M.S. thesis building, calibrating, validating and applying large scale, two-dimensional hydraulic models of the Lower Yuba River. He joined._.

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Sam Diaz BS, PE, CPESC, QSD/QSP

Eco-Engineer/Eco-Hydrologist

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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Tobin (Toby) Stegman MS

Eco-Hydrologist

Toby brings a wide range of field work experience to cbec, from the use of new photogrammetric methods, RTK GPS and total station surveying, and stream flow gauging, to UAS (drone) and._.

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William L’Hommedieu MS, EIT

Eco-Hydrologist

Will has experience in hydraulics, hydrology, and fluvial geomorphology, and expertise in water resources engineering.

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