Joe Hamman is a climate scientist-turned-CTO with 11 years of experience building cloud platforms and data tools for scientific teams; he co-founded Earthmover and now leads development of Arraylake, a cloud platform for scientific data. He previously served as Technology Director at CarbonPlan and spent years as a project scientist and postdoc at NCAR, bridging rigorous research with production engineering. His background in civil and environmental engineering (PhD, UW) and applied water-resource work gives him deep domain fluency in environmental data, modeling, and reproducible science. Joe excels at turning complex climate research needs into scalable software and infrastructure, pairing academic rigor with startup velocity. Based in Seattle, he combines hands-on engineering, team leadership, and product strategy to operationalize scientific workflows. Colleagues describe him simply as scientist, engineer, and human—an approach that keeps technical decisions grounded in real-world impact.
11 years of coding experience
12 years of employment as a software developer
PhD, Civil and Environmental Engineering, PhD, Civil and Environmental Engineering at University of Washington
Contributions:2 PRs, 13 pushes, 1 branch in 7 years 4 months
pythonseminargeosciences
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Joe Hamman - Chief Technology Officer at Earthmover