senator warren, you were going to introduce tejal gandhi. >> dr. tejal gandhi is an associate professor of medicine at harvard medical school and the president of the national patient safety foundation. she received her undergraduate degree from cornell university and her medical degree and a master's in public health degrees from harvard university. before serving and the national patient safety foundation, dr. tejal gandhi was chief quality and safety officer at partner's health care and served as executive director of quality and safety at brigham women's hospital. tejal gandhi's research has focused on patient safety and on how using information technology can help reduce errors in health care. in 2009 she received the eisenberg patient safety award in recognition of her research on the epidemiology and prevention of medical errors so again we have someone who has done extraordinary research and put it into practice. thank you for being here. >> not only is at. >> tejal gandhi. >> thank you, senator warren and chairman sanders for the invitatio