Our Team

Ricardo Aguirre

Ricardo Aguirre is a registered professional engineer, in the states of Illinois, Arizona, New Mexico, Hawaii, Utah, Wyoming, Wisconsin, Montana, Idaho, and Colorado.

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Hari Raghavan

Hari Raghavan has more than 25 years of combined technical and academic experience in hydrology, hydraulics, sediment transport, and coastal engineering.

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Brian Schalk

Brian Schalk is the Managing Engineer at HELM Consultants, specializing in flood control for over 15 years. Brian’s primary expertise is in project management, project quality assurance and quality control, and business development.

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Nathan Logan

Nathan Logan is a water resources engineer with nearly 12 years of experience in hydrology and hydraulics, using one- and two-dimensional methods, and analyzing H&H data using GIS.

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Charlie Joy

Charles Joy has 23 years of civil engineering experience with an emphasis in flood control and drainage study/design. He has served as project manager, task lead, and project engineer on a wide range of study and design projects.

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Nolie Templeton

Nolie Templeton has a Ph.D. in Civil, Environmental, and Sustainable Engineering from Arizona State University. She led interdisciplinary hydrometeorological studies of water, energy, and carbon fluxes in Phoenix, AZ and southern Arizona rangeland. Results have been presented at international conferences and published in peer reviewed journals.

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Amelia Ochsenbein

Amelia Ochsenbein has a Bachelor’s Degree and a Master’s Degree in Civil and Environmental Engineering from Arizona State University. Amelia’s professional focus is on utilizing the most current technology to perform analysis and design on engineering projects.

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Kieran Sikdar

Kieran Sikdar has over 15 years of experience working on stormwater management and natural resource challenges using decentralized, green infrastructure, and regenerative solutions. Kieran’s work is grounded at the intersection of engineering design, community planning and visioning, policy development, and quality of life for all beings.

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Brenda Brown

Brenda Brown...

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Reynold Kraft

Mr. Kraft has over 16 years of experience in civil engineering with a focus on hydrologic/hydraulic analysis, Area Drainage Master Study/Plans (ADMS/Ps) and master plan reports (water, wastewater, and drainage) for large residential/commercial developments including extensive design experience in open channels, culverts, and retention/detention facilities.

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Shannon Summers

Shannon Summers began her Floodplain Management career in 1998 as an Engineering Technician for Mohave County, Arizona. By 2018, Shannon had filled increasingly responsible positions and ended her tenure at Mohave County as Floodplain Programs Manager & Acting Flood Control District Engineer.

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