Dei'Marlon Scisney
Founder & Principal Data Engineer, The Data Guys™ | ex AWS Analytics & AI/ML | PSBJ 40 Under 40
Seattle, Washington, United States
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Dei'Marlon "D" Scisney is the Founder, President and Principal Data Engineer of The Data Guys™, a Seattle data engineering firm growing a team of 25 data engineers. A former AWS Analytics and AI/ML Specialist, D builds big data systems for the federal government, multibillion dollar construction clients, public agencies and community organizations, including systems that track more than $400M in community investment.
He holds an MS in Data Engineering plus PMP and CISA credentials, was named to the Puget Sound Business Journal 40 Under 40 in 2026, and serves as Vice Chair of Seattle's Community Technology Advisory Board. He has taught 39 classes and talks, maintains Rowgate, an open source data contract library for Polars, and wrote Get Your Data House in Order.
Raised by his grandmother in Evansville, Indiana, D builds data that works for everyone. His motto: human help is the product, the computer is the tool.
Website: https://www.thedataguys.org
GitHub: https://github.com/DTheDataGuy
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