Bloomberg Radio host Barry Ritholtz speaks with Dr. Charles Strom, who has spent the past 30 years in the fast-changing field of genetic testing. The CEO and co-founder of Liquid Diagnostics, which uses new technology to analyze ultra-short DNA fragments in saliva and blood, Strom previously served as medical director for genetic testing at Quest Diagnostics, did groundbreaking work in pre-implantation genetics while at the Reproductive Genetics Institute, and served as a faculty member at the University of Chicago, where he also earned his doctorate and medical degrees.   See omnystudio.com/listener for privacy information.

Arnold Schwarzenegger, the movie star-turned-California governor, has been interested in business since long before he was Conan or the Terminator. For more than four decades, his behind-the-scenes partner has been Paul Wachter, whose Main Street Advisors was born 25 years ago, with Schwarzenegger's encouragement.The modern multihyphenate -- think LeBron, Drake, Billie Eilish -- are following a template the pair established in the 1980s, as Schwarzenegger successfully expanded his popularity and wealth through savvy dealmaking. The key element: Don't just endorse when you can own a piece of the product. See omnystudio.com/listener for privacy information.