A decade after his son passed away from a rare form of bone cancer at age 16, Mark DeLong was diagnosed with prostate cancer. He learned, among other things, the healing power of being vulnerable and sharing personal stories.

Mark DeLong’s son Peter was diagnosed with Ewing sarcoma, a rare bone cancer, at age 14, and died when he was just 16. Mark uses advocacy to raise funds for cancer research in Peter’s memory.