Keller Cliffton
@Keller
Founder and CEO @Zipline. Previously, built DNA/RNA computers and climbing walls. Harvard grad. Ex-professional rock climber.
Joined April 2010
741 Following 23.8K Followers
Life is short. Skeptics are probably right more often than they are wrong, but they also don't go on epic adventures or get to work on projects that move humanity forward. Ignore the skeptics and build the future!
Show more
