Dan McCarey has joined Development Seed. Dan is going to help us to turn complex data into compelling stories. Dan is an information designer and web developer. He builds powerful websites. Dan is passionate about leaving the world better than he found it. That passion has drawn him to live and work in Nepal and Sudan.

Dan created the interactive "Mapping Cholera: A Tale of Two Cities", which recently appeared in Scientific American. This stunning interactive uses historical data and maps to track the spread of cholera in New York in 1832 and compares that to the spread of cholera in Haiti today.

Follow Dan on Twitter and Github.