Guest Author: Pierre-Simon Ntiruhungwa (@pierresn) is a French student in ESCP Europe Business School, currently interning in Ifeelgoods in the San Francisco Bay Area. He is the co-founder of the student organization Silicon Students and the summer program Startup Dream Team. Ideas are cheap. They are often stolen and copied easily. Simply having a good startup idea doesn’t guarantee success for entrepreneurs. What matters is the ability to execute that idea and transform it into a real company.