John Ziegler is an engineering leader with 11 years of experience building and scaling software teams across healthcare, finance, and GenAI tooling. Currently an Engineering Lead at MongoDB, he focuses on pragmatic solutions for ambiguous problems and leads internal GenAI tooling efforts. Previously he led technical teams at Flatiron Health and ran clinical bioinformatics engineering at Memorial Sloan Kettering, bringing domain expertise in bioinformatics and production-grade systems. His background spans DevOps and systems engineering at UBS and early development work at the NSA, giving him a strong operational and security-minded perspective. He holds advanced degrees in computer science and systems engineering and is known for turning complex, high-stakes requirements into clear, actionable engineering plans.
11 years of coding experience
13 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at University of Southern California
Masters of Engineering Systems Engineering, Masters of Engineering Systems Engineering at Stevens Institute of Technology
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