Anyone in business in the 1990s will remember the spectacular success Kenan Sahin had in taking just $1,000 from his savings and using it to build the first great commercial AI success, leading to a $1.54 billion sale to Lucent Technologies. In Lean Startup, Lean Company, Rich Exit: The Guidebook, Kenan Sahin follows up on his 2024 account as the sole shareholder in this rich exit, detailing his extraordinary entrepreneurial accomplishment and putting it into a practical workbook any aspiring leader can follow. Included in the guidebook are hundreds of critical insights, including policies and protocols designed over decades to improve and refine the senior leadership, accounting and finance, HR, and product development functions, and more. Kenan brought pioneering AI and Big Data systems to the marketplace in the 1990s, so his framework for business innovation is a must-read for entrepreneurs eager to launch and advance commercially viable AI and Big Data companies.