Tammo is a frontend engineer at Development Seed. He works on building interactive visualizations and tools for data exploration. He is passionate about expressing complex relationships through beautiful systems.

Before joining Development Seed, Tammo worked as a full-stack web developer creating various data-exploration tools, a children’s painting application, and a time-series forecasting tool. When he isn’t wrangling browsers he helps build systems for small-scale permaculture farming. He spends his spare time in Cape Cod climbing and kayaking.

Tammo holds a PhD in German Studies from Stanford University.