Finally available in German: The bestselling classic that launched 10,000 start-ups and new business projects - one of the most influential and practical business books of all time. "The 4 Steps to a Successful Startup" introduced the Lean Startup approach. It was the first book to show that startups are not smaller versions of large companies and that new companies are different from existing ones. Startups search for business models, while existing companies execute them. This book offers a practical and proven four-step customer development process, providing insights into what makes some startups successful and others fail. Instead of blindly following a plan, the four steps help uncover and correct flaws in product and business plans before they become costly. Rapid iteration, customer feedback, and testing your assumptions are all explained here. Packed with concrete examples of what, how, and when to do it, this book will equip you with new skills to successfully organize sales, marketing, and your business. If you're starting a new company and wondering how to effectively manage sales, marketing, and business development, you need the four steps to a successful startup. Essential reading for anyone embarking on something new. biography Steve Blank teaches customer development and entrepreneurship at Stanford University, the Haas Business School at the University of California, Berkeley, and Columbia University. His customer development process is taught at universities worldwide. In 2011, he developed the Lean LaunchPad, a hands-on course that combines business model design and customer development through rapid, real-world customer interaction and business model iteration. Also in 2011, the National Science Foundation adopted Blank's course for its Innovation Corps (I-Corps), which guides leading scientists and engineers in taking their ideas out of the lab and into the commercial market. In 2009, Steve Blank won the Stanford University Undergraduate Teaching Award in Management Science and Engineering. In 2010, he received the Earl F. Cheit Outstanding Teaching Award at the Haas Business School at the University of California, Berkeley. The San Jose Mercury News lists him as one of the ten most influential people in Silicon Valley. New product