Yaroslav Kopotilov is an experienced data scientist and founder with eight years of building and shipping end-to-end ML solutions across energy markets, algorithmic trading, and GIS. He combines deep applied math and financial engineering training (École Polytechnique, Paris VI, NSU) with hands-on skills in Python, SQL/NoSQL, cloud/HPC and MLOps to move projects from research to production. As a consultant at Toptal and former data scientist at Vitol and JPMorgan, he has delivered everything from small-sample statistical models to terabyte-scale pipelines and custom numerical optimizations like an Extended Kalman Filter for exotic pricing. He founded YAFinData and now runs Data Sanity, blending technical leadership with public speaking and industry-focused AI education. Comfortable tweaking LLM pipelines and optimizing numerical algorithms, he’s equally fluent mentoring teams and translating technical insights into business impact.
Contributions:8 releases, 8 PRs, 20 pushes in 3 years 1 month
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Yaroslav Kopotilov - Founder CEO Speaker at Toptal