1516 Advancing immunotherapy through patient-identified regulators of T cell stemness by Peter Jones, Xin Lan, Stephen Baylin, Caitlin Zebley, Tae Gun Kang, Tian Mi, Shanta Alli, Grace Ward, Anoop Babu Vasandan, Shala Carson, Kristen Groenbæk, Casey O’Connell, Benjamin Youngblood