Govind Sandhu, a 38-year-old marathon runner and head of Global Music Partnerships at TikTok who lives in Australia, was diagnosed with stage 4 Non-Hodgkin's lymphoma (cancer). "What the hell...This wasn't exactly part of my 5-year plan," he said in an Instagram video. "I thought I was in the best shape of my life...the healthiest I've ever been," he added.