John and Hank Green have had
a collaborative video channel on YouTube since January of 2007. They have made more than 1050 videos, which have been viewed more than 305 million times and now have over one million YouTube subscribers on the
vlogbrothers channel. John and Hank co-founded
VidCon, an annual conference for people who love online video, and continue to work together on video projects such as
Crash Course and the annual
Project for Awesome.
Hank Green is the co-founder of
DFTBA Records, creator of
2D Glasses and founder of
EcoGeek.org. He writes music (available on iTunes and DFTBA Records), has produced videos for YouTube, NASA, and The Discovery Channel, and has written articles for The New York Times, Scientific American, and Mental Floss Magazine.