Leif Dahleen, aka the Physician on FIRE, achieved financial independence at the age of 39 and retired from his anesthesiologist career at the age of 43. He, his wife, and two sons travel the world, and Leif enjoys writing, photography, moderate exercise, craft beer, and homebrewing. He writes about the FIRE movement and other issues that pertain to personal finance and medicine. As he says, he writes “to help my fellow physicians and others to understand what it means to be financially independent, how to achieve that goal, and why it will benefit you.”