The Unyielding Will of Dan Gilbert: A Father's Quest for a Cure Dan Gilbert, owner of the Cleveland Cavaliers, has faced personal tragedy few can imagine.
His son Nick died from neurofibromatosis (NF), a rare genetic disorder affecting approximately 1 in every 2,000 births in the US.
Despite undergoing extensive treatment, including chemotherapy and radiation therapy, the disease eventually took its toll on Nick's young life.