Amandalyn Ferri runs Community Outreach and Events for Tumblr. Before working at Tumblr she worked at CollegeHumor putting jokes on t-shirts for BustedTees.com. Most commonly she is referred to as America's Sweetheart and is exceptionally good at hanging out. She is very passionate about Grease 2, Shark Tanks, and the ups and downs of Amanda Knox.
Rachel Fershleiser heads literary outreach at Tumblr. Previously she was the Community Manager at Bookish and the Director of Public Programs at Housing Works Bookstore Cafe, where she now serves on the board of directors. She is also the co-creator of Six-Word Memoirs and co-editor of the New York Times bestseller Not Quite What I Was Planning and three other books.
Keith Kurson is 23 years old and lives in San Francisco. When he isn't working on making things for the Internet he is scoping out the best burritos in the world. Find him @keithkurson.
Colin Mueller is a senior at Penn State University studying Information Science and Technology. You may recognize him by his ungodly height and perfect hair.