I've had 3 cofounders over the years. 1. school 2. hired them a few times and added them to the team a couple years later 3. lean startup and tech event All in

I've had 3 cofounders over the years. 1. school 2. hired them a few times and added them to the team a couple years later 3. lean startup and tech event All in all, I recommend picking someone you have known for a few years. Can be friends but usually best when it is first a business relationship.