Esther Lee’s physical therapy work is described by athlete clients like the Williams sisters and Shaun White as life-changing, going beyond muscles and into matters of the soul. Now, facing down death, Lee is learning to look within, too:

Not long after Esther began working with the Williams sisters, Serena was hospitalized for a pulmonary embolism in wake of giving birth, and then again for blood clots. Esther slept in a chair beside her hospital bed. “She never left my side,” Serena says. “And I never asked for that. That meant a lot to me.… She is such a caretaker. And beyond anything that I’ve ever seen, beyond anything you could write in a job description. There is no job description for Esther.”