Grist Labs Founder and Co-CEO – Prior to Grist Labs, Dmitry worked at Google on Google Sheets, and at Hudson River Trading LLC, a quantitative trading firm which he co-founded. He also co-founded New York Math Circle, a non-profit that offers students (and teachers) mathematics enrichment. Dmitry grew up in Kyiv, Ukraine, studied at Brooklyn Technical High School in New York, and received his BA in Mathematics and MS in Computer Science from Harvard.