Senior Lethwei Master Saya U Bo Sein passed away on September 9th shortly after being admitted to a hospital in Yangon. He was an enormous part of the Born Warriors Project from its earliest days right up until this past year when we conducted one of his last interviews. He was a vibrant, energetic man of infinite skill and understanding. Saya Sein will be sorely missed. His memory remains with all of us who shared time with him.