Sign up to receive Peter's email newsletter: https://bit.ly/4c602k2 Chris Sonnenday is the Transplant Center Director for Michigan Medicine. As Peter’s senior resident while at Johns Hopkins, Chris made a lasting impression on him with his remarkable leadership and ability to maintain his humanity through the stressors of that challenging environment. In this episode, Chris tells the incredible backstory of the history of transplant medicine, focusing on the kidney and the liver. He discusses the surgical and immunologic developments that launched the field forward, but also lays out the challenges ahead for the field, such as the rising prevalence of chronic kidney and liver failure. Chris also tells many stories of tragedy and triumph that comes with working in organ transplantation, but ultimately explains the rewarding nature of being a witness to the gift of organ donation. We discuss: Show notes page: https://peterattiamd.com/chrissonnenday/ About: The Peter Attia Drive is a weekly, ultra-deep-dive podcast focusing on maximizing health, longevity, critical thinking…and a few other things. With over 25 million episodes downloaded, it features topics including fasting, ketosis, Alzheimer’s disease, cancer, mental health, and much more. Peter is a physician focusing on the applied science of longevity. His practice deals extensively with nutritional interventions, exercise physiology, sleep physiology, emotional and mental health, and pharmacology to increase lifespan (delay the onset of chronic disease), while simultaneously improving healthspan (quality of life). Learn more: https://peterattiamd.com/​​​​ Subscribe to receive exclusive subscriber-only content: https://peterattiamd.com/subscribe/​​​​ Sign up to receive Peter's email newsletter: https://peterattiamd.com/newsletter/​​​​ Connect with Peter on: Facebook: http://bit.ly/PeterAttiaMDFB​​​​ Twitter: http://bit.ly/PeterAttiaMDTW​​​​ Instagram: http://bit.ly/PeterAttiaMDIG​​​​ Subscribe to The Drive: Apple Podcast: http://bit.ly/TheDriveApplePodcasts​​​​ Overcast: http://bit.ly/TheDriveOvercast​​​​ Spotify: http://bit.ly/TheDriveSpotify​​​​ Google Play: http://bit.ly/TheDriveGooglePlay