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. The course was designed for PhD researchers and MBA students looking to expand their work opportunities beyond their traditional prescribed paths into institutions and corporations. This material is not only for academic researchers, it assumes that entrepreneurship is latent in all people. Traditionally, we are taught not to aim for self-employment through entrepreneurship during the years of primary education. Anyone with an advanced education, self-motivation, ambition, a vision for how to improve the world, a good attitude, and a willingness to take on the challenge of actively exploring entrepreneurial pursuits, should be able to follow the material and put it to use in their own efforts. If you currently own or are working in a company and want to innovate and expand the business, this book might be of value in inspiring you to grow a high impact international business by leveraging the business you are already doing. Read it to prepare for the journey and put the concepts into action; do not be a passive reader. 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 using your talents.