In this episode of Tumble Upward, Mark Light shares an extraordinary story of resilience, perspective, and purpose. From cycling across America to raise money for a young girl battling the same life-threatening illness he had once faced himself, to later being diagnosed with stage IV cancer, Mark opens up about what it truly means to keep moving forward when life keeps knocking you down.

We unpack the mindset shifts that carried him through years of adversity, the moments that pushed him to rock bottom, and why he now sees himself as living on “borrowed time.” Mark also shares the lessons behind his book Rock Bottom to Resilient, his powerful definition of resilience, and how he’s turning pain into purpose by helping others rebuild their lives through speaking, coaching, and consulting.

This is a raw, inspiring conversation about survival, identity, gratitude, and becoming better because of hardship — not just getting through it.

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