Andrew Lenhardt is a board-certified family doctor with a focus on chronic, complex health problems. He is on the faculty of Tufts Medical School, Endicott College and Yale University. He has written two books, The Best of All Worlds and Emotional Intelligence in a Complex World. He is also the founder and medical director of the venture Complex Health Solutions. Complex Health Solutions uses algorithms to predict the most likely underlying root causes for each person’s chronic health problems. To learn more about Julie Freeman, go to juliefreeman.net.