Tim Stallmann is a freelance cartographer and geographer. His work focuses on the role maps and geographic data play in addressing issues of racial, economic, and environmental justice, particularly in the southeastern United States. He is currently working with Bull City 150 on "Uneven Ground," a series of maps and exhibits reimagining Durham's history through the lens of racial justice, as well as co-editing a People's Atlas of Detroit. Stallmann's maps have been widely published and exhibited. He also leads map-making workshops locally and internationally.