Boye Hartmann is the founder and CEO of YDigital Asia, a hybrid business consulting and digital agency that's worked with clients like Ebay, Microsoft and Mattel. He started his first company in 1987 and has since been a part of building over 60 companies all over the world. As a serial entrepreneur and mentor, the number one question he asks anyone founding a company comes down to one word, or in his case, one letter: Y?