This bloke is just over halfway to his $10K target:
"Hi, I’m Matt! At age 19 I was diagnosed with Acute Myeloid Leukaemia and received a Matched Unrelated Donor Bone Marrow Transplant. I’m here to raise money to give back to the a charity that helped me during my treatment, and to raise awareness for hope and for a cure for what I know first hand is a terrible life changing thing."
Reddit source and comment chain: