Hank is Izzie's ex-boyfriend whom she dated prior to starting her internship.
When Hank was coming into town, Izzie threw a party at the house so that Hank could get to know her hospital friends. However, Hank arrived at the party to find that Izzie was still at the hospital. He went to the hospital to confront her and when she said that her patients had to be the priority, they ended their relationship.
He dated Izzie prior to the start of her internship. Their relationship ended shortly after she started her internship because her new job left very little time for them to be together.
Hank plays hockey professionally.