Bartley J. Madden retired as a managing director of Credit Suisse Holt after a career in money management and invest­ment research that included the founding of Callard Madden & Associates. His early research was instrumental in the development of the cash-flow return on investment (CFROI) valuation framework that is used today by money management firms worldwide. He is now an independent researcher and his new book, Value Creation Principles, will be published by Wiley in May 2020. His work in public policy has resulted in the Free To Choose Medicine plan, which was developed in journal articles published in Regulation, Cancer Biotherapy & Radiopharmaceuticals, Medical Hypotheses, and Engage. His email address is bartmadden@​yahoo.com and his website is LearningWhatWorks.com.