Zach

 is the Circle of Duty Director sought out in the mission Circle of Duty: New Recruit.

Involvement
Zach is an NPC who offers several missions in the Circle of Duty mission line.

Missions

 * Circle of Duty: Cadet
 * Circle of Duty: Private
 * Circle of Duty: Corporal
 * Circle of Duty: Sergeant
 * Circle of Duty: Medal of Duty