Y Combinator is an American seed accelerator launched in March 2005 and was used to launch over 2,000 companies including Dropbox, Airbnb, Stripe, Reddit, Optimizely, Zenefits, Docker, DoorDash, Mixpanel, Heroku.

How did the greatest entrepreneurs start out? What were their biggest successes? What failures did they have to overcome along the way? We’ve charted the careers of 33 inspirational company founders, from the man behind Heinz beans to the woman behind Ultimo bras, to show that there’s more than one path to success.