Guillermo Söhnlein explains the necessity of a strong vision when building a startup. He uses his own experiences as an informational reference for entrepreneurs. This content was produced for the 2014 Atlanta Winter semester of the Founder Institute by Founder Institute mentor Guillermo Söhnlein, serial entrepreneur. Follow him on Twitter to learn more: https://twitter.com/gsohnlein "Credit Where Credit is Due": the analytical tool depicted in slides 25-40 was originally part of a presentation made in 1999 by Darlene Mann of Onset Ventures in San Jose, California.