Engineer at Mapbox, creator of Leaflet, algorithms geek, open source enthusiast, musician, father of twin girls, Ukrainian. 🇺🇦

UC Berkeley

Designer of broken states.

Engineering @huggingface 🤗. Data visualization enthusiast. Creative technologist. Open for collaborations.

Data Viz Designer @ Cato Institute

Wise Fool. Visioneer.

I'm a professor of mathematics at the University of North Carolina Asheville. I've also done a fair amount of consulting work over the years focusing on scientific and data visualization. I'm happy to be part of the first Observable Ambassador's cohort.

Building a better computational medium. Founder @observablehq. Creator @d3. Former @nytgraphics. Pronounced BOSS-tock.

Software engineer and visualization enthusiast. Lives in Cambridge, Massachusetts, with no dogs.