 In 2019, the Hellenic Basketball Federation honored Zisis, in recognition of his contributions to the senior Greek national basketball team, with which he had 189 caps (games played).Zisis is 1.97 m (6 ft 5 in) tall, and he plays mainly at the point guard and shooting guard positions, although he can also play at the small forward position if necessary.His primary position with his pro club teams is point guard, while his primary position with the Greek national team was shooting guard.