Tachi Callas has previously held positions at AngioDynamics, Maquet Cardiovascular and Boston Scientific. He has experience with medical device research and product development, pre-clinical study design and execution, machine and fixture design, and vehicle dynamics. Tachi has 34 issued or pending patents in the fields of cardiac surgery, cardiac rhythms control, and tumor/ tissue ablation. Tachi earned a B.S. in Mechanical Engineering from Cornell University, Sibley School of Mechanical Engineering.