Stamen is a design and technology studio in San Francisco.

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We've been designing and building maps and data visualizations in San Francisco's Mission District for happy clients since 2001. Stamen is a 100% independently owned and operated company.

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Nathaniel Vaughn Kelso

Design Technologist

Nathaniel Vaughn Kelso is a veteran data visualization cartographer who joined the studio from the Washington Post in 2011, where he was the lead interactive cartographer in the news company's Information Design department. Nathaniel honed his research skills at National Geographic Maps is chief cartographer for, a free public domain GIS world base map, and maintains a blog at