Start-up now, get inspired to create a high impact international business, make a difference by putting ideas into action, and produce a return on investment with your talents. Entrepreneurs gain satisfaction by using their talents to produce new wealth for both society and themselves. In a modern world, employment choices typically fit established institutional norms. A “good” job in a government bureaucracy or a large corporation, with its abundance of restrictive policies, may not provide much work satisfaction despite the employment benefits and stability. If you have ever thought, dreamed, imagined, or fantasized about starting a business, or being part of a company doing creative work with a purpose, then you have started to connect with your entrepreneurial spirit. This book is for anyone who wants to better understand the entrepreneurial approach. It originated from the first entrepreneurship course I taught at the University of Pisa from 2011 through 2014 and is based on over 15 years of experience as an entrepreneur of venture backed technology companies