Robbert van Geldrop is an entrepreneur and software developer who wrote his first lines of codes on an Atari ST when he was eight years old. He founded his first company at the age of 19. Robbert also founded the first Lean Startup Circle meetup group in continental Europe in an effort to create closer ties with other entrepreneurs facing the tough challenges of building a business. Robbert believes that entrepreneurship is not a talent one is born with, but a craft which you can learn by knowing all the available tools and skills. You can master the craft by doing and trying it with the right mindset.