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
President / Ecoengineer
Chris is a registered civil engineer (CA P.E. C76898) specializing in hydraulics, hydrology, geomorphology, water resources, water quality and environmental restoration. He has more than twenty-five years of project management experience on._.

Director / Ecohydrologist
Chris Campbell has more than nineteen 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._.

Chris Hammersmark PhD, PE
Director / Ecoengineer
Chris is a registered civil engineer (CA P.E. C66595) specializing in hydraulics, hydrology, geomorphology, water quality, ecology, and ecosystem rehabilitation/restoration. He has over nineteen years of experience on a diverse array of._.

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.
operations

Senior Operations Manager
Alexis is an experienced manager with over 15 years of project management and operations experience. She graduated from the University of California, Santa Barbara with a Bachelor’s degree in Communication. Her previous._.

Elissa Ide BS
Staff Accountant
Elissa’s organization and attention to detail is vital as Staff Accountant, rounding out the cbec’s accounting department to ensure a seamless invoicing process. She coordinates with cbec’s bookkeeper, project managers, senior management,._.

Office/Business Development Manager
As cbec’s Office/Business Development Manager, Emily assists with company operations, human resources, health and safety, marketing, and opportunity acquisition. She joined the cbec team with over eight years of expertise in the._.
team members

Anna Hamilton MSc
Ecohydrologist I
As an ecohydrologist at cbec, Anna performs both technical project analysis and field work in support of various hydrological and geomorphological studies. Anna’s software experience consists of ArcMap, ArcGIS Pro, Delft3DFM, and._.

April Sawyer MS
Senior Ecohydrologist I
April has over ten years of experience in fluvial geomorphology, hydraulic modeling, aquatic biology, and project management with an emphasis on habitat restoration. With a formal education in Montana and professional experience._.

Beau Thetford BS, EIT
Technician II
Beau is an Engineer-in-Training (EIT) working out of cbec’s West Sacramento office. Beau supports cbec’s field services efforts by conducting topographic and bathymetric surveys and recording ADCP flow measurements. He also assists._.

Technician II
Caitlin utilizes her background in hydrologic, hydraulic, and geospatial analyses to support cbec’s tidal wetland and salmonid habitat restoration projects. Before joining the cbec team, Caitlin bolstered her environmental skill set as._.

Technician I
Daniel brings a skillful eye in troubleshooting and superior repair knowledge to cbec. His duties range from data collection, fleet and office support, to field service fabrication. He is becoming skilled with._.

Doug Shields, Jr. PhD, PE, D.WRE, F.ASCE, F.EWRI
Senior Scientific Advisor
Doug Shields has forty-two years of experience in water resources and environmental engineering, including twelve years for the U.S. Army Corps of Engineers and twenty-two years as a Research Hydraulic Engineer at._.

Emmy Anzalone BS, EIT
Technician II
Emmy is an Engineer-in-Training (EIT) with experience in fisheries and restoration fieldwork, as well as many aspects of civil engineering design. Emmy graduated from the University of Washington with a Bachelor of._.

Evan Pesut BS, EIT
Ecohydrologist I
As an ecohydrology technician at cbec, Evan Pesut performs a combination of field work and technical analyses supporting hydrology, hydraulics, geomorphology and sediment transport studies as well as restoration design efforts. Evan._.

Greg Kamman PG, CHG
Senior Ecohydrologist III
Greg Kamman is a professional geologist and certified hydrogeologist with over 30 years of technical and consulting experience in the fields of geology, hydrology, and hydrogeology. He specializes in directing and managing._.

Greg Shellenbarger Eng, MS
Ecohydrologist II
Greg is cbec’s Field Services Manager. He joined cbec in 2017 with a background in marine ecology and hydrodynamic controls on water quality and sediment transports. He has over 25 years of._.

Haley Tupen MS, EIT
Ecohydrologist I
Haley joined cbec following the completion of her Master’s in Civil Engineering with a focus in Fish Passage and Ecohydraulics at Montana State University. Haley’s graduate research involved assessing hydraulics and hydrology of an ecologically engineered fish bypass._.

Jackson Ingram BS, EIT
Ecohydrologist I
With a background in civil design, drafting, and field work, Jackson assists on a variety of water resources projects at cbec. He graduated from Humboldt State University with a BS in environmental._.

Jai Singh BS
Senior Ecohydrologist II
Jai Singh has over ten years of experience in hydrology, fluvial geomorphology, water quality and ecosystem restoration. He specializes in river restoration, geomorphology studies, interdisciplinary watershed assessments, and hydrodynamic modeling. He has._.

Jenna Duffin PhD
Ecohydrologist I
Jenna serves as an Ecohydrologist I at cbec, currently supporting the development of hydraulic models to assess rearing habitat alternatives in the Sacramento Basin. Inspired by her interest in improving rivers cultivated._.

Jesse Rowles MS
Ecohydrologist I
Jesse’s engineering path is unique compared to most in the water resources field. He originally obtained his BS from Lehigh University, Pennsylvania in Astrophysics, with a minor in Applied Mathematics and Earth._.

John Stofleth MS, PE
Senior Ecoengineer III
John Stofleth has fifteen years of experience in hydraulic engineering, fluvial / estuarine geomorphology and watershed ecology. At cbec, John has worked on several projects that include the development of one-, two-._.

Jon Parsons MS, EIT
Ecohydrologist II
Jon completed his BS in biology at the University of California, Santa Cruz before pursuing an MS in civil engineering at San Jose State University. His studies covered topics such as hydrology,._.

Ecohydrologist I
As an ecohydrologist, Mr. Kelty performs a combination of technical project analysis and field work for cbec. He supports his findings with analytical output from ArcMap, ArcGIS Pro, AutoCAD Civil 3D, HEC-HMS,._.

Matt Weber MS, PE
Ecoengineer II
Matt joined cbec in 2016 with a diverse background in fluvial geomorphology, restoration ecology and civil engineering. He has extensive experience processing LiDAR data, analyzing spatial data in ArcGIS, QGIS, LAStools, and._.

Megan Casey BS
Technician II
As an ecohydrology technician at cbec, Megan supports hydrological and hydraulic modeling efforts on a range of restoration projects. At Indiana’s Purdue University, Megan earned her bachelor’s degree in Agricultural Engineering, with._.

Senior Ecohydrologist I
Michael has ten years of applied experience in multi-benefit ecological restoration, modeling groundwater-surface water interaction, and quantifying impacts of climate and wildfire on flow regimes. At cbec, Michael manages projects that involve._.

Nick Southall MSc
Senior Ecohydrologist I
Mr. Southall is an experienced project manager with two decades of river restoration experience. He specializes in the assessment and design of stream, river, wetland, floodplain, and estuarine restoration projects. His work._.

Nina Li PhD
Ecohydrologist II
Nina’s diverse expertise includes hydraulics, sediment transport, geomorphology, and watershed hydrology. She has over eight years of experience in river restoration, with a focus in reservoir sedimentation management. Nina supports cbec’s hydraulic._.

Noelle Patterson PhD
Ecohydrologist II
Noelle has over seven years of experience in the water resources field, with a wide range of expertise in hydrologic modeling, water policy and management, and field ecohydrology. At cbec, Noelle supports._.

Sam Diaz PE, CPESC
Senior Ecoengineer II
Sam has nineteen years of experience covering a wide range of civil engineering projects. With cbec he has been involved in several river, stream and wetland restoration and rehabilitation projects that have._.

Scott Wright PhD
Senior Ecohydrologist III
Dr. Wright is a Civil Engineer with 25 years of experience in the private sector and government, with expertise in the areas of fluid mechanics, hydraulics, sediment transport, and geomorphology. He holds._.

Toby Stegman MS
Ecohydrologist II
With over ten years of practice in the water resources field, Toby possesses a strong technical background in hydraulic modeling (HEC-RAS, Tuflow, FaSTMECH 2D), computer programing (Program R, Python, Matlab), and GIS._.

Travis Beckt BS
Technician II
As a technician at cbec headquarters in West Sacramento, Travis supports a variety of river rehabilitation and salmonid habitat restoration projects. Travis’ education background centers around hydrology, hydraulics, and river and riparian._.