Steven M Hacker, MD was one of twelve students selected from a national pool to enter medical school early through the prestigious Junior Honors Medical Program. He graduated from University of Florida medical school. He spent two years training in internal medicine at the University of Michigan in Ann Arbor. Dr. Hacker returned to Gainesville and completed his dermatology residency at the University of Florida By the time he had completed all his training, he had published over twenty peer-reviewed medical articles in medical journals, and co-authored several textbook chapters in clinical medicine textbooks. As of the writing of this book, he has built and sold many well known companies and holds several patents for inventions in the fields of electrical engineering, chemical engineering and electromagnetic resonance theory. Twenty years ago, Dr. Hacker founded Skinstore.com (now owned by Walgreens). Skinstore was one of the first Internet sites to sell physician-recommended skin care products (cosmeceuticals) online. Skinstore grew to one of the biggest online skincare sites. In 2004, five years before President Obama started talking about electronic personal health records, Dr. Hacker created a personal health record company called PassportMD (now owned by Verisk Analytics). PassportMD was selected by Medicare for its personal health record pilot program. It was recognized as one of the top personal health record companies in 2008 by the leading electronic medical record industry trade show. Dr. Hacker negotiated marketing and partnership deals with Microsoft Healthvault and many other Fortune 500 companies. Dr. Hacker sold the company in 2009. In this book Dr. Hacker shares the lessons learned from both the mistakes and successes he had experienced in growing a medical practice and creating unrelated entrepreneurial ventures at the same time.