Drew is a gay Army medic still active in the reserves. He tried to hide the fact that he's gay until he kissed his boyfriend Rick who is also in the Army and was about to have a leg amputation. He outed himself in front of most of the ER staff and Ricks unit.
Drew likes to do mixed martial arts in his free time and is often seen in episodes practicing. In the first episode he in the ER when a man starts fight with the staff and Drew steps in and put the guy in a choke hold till he passes out.