Jason Oberholtzer is a content creator, producer, and strategist whose writing, charts, GIFs, and blogs appear all over the web and in print. His clients includeForbes, IBM, Jazz at Lincoln Center, and The Economist. He founded the blog I Love Charts in 2009, which with over 500,000 followers remains one of Tumblr's most influential blogs. He publishedI Love Charts in May 2012 with Sourcebooks. He lives in Brooklyn, New York.
Jessica Hagy is an artist and writer best known for her Webby awardwinning blog, Indexed. She is the author ofIndexed, The Art of War Visualized, and How to be Interesting. Her work frequently appears in various web formats, galleries, books, magazines, newspapers, television outlets, and advertising campaigns. She lives in Seattle, Washington.