Colonel Pinkard began his career with Gwinnett County in 1999. Lt. Colonel Pinkard was assigned to various positions including Field Operations Commander from 2003 to 2007. In 2007, he was appointed as the Jail Division Commander. He is a board member and past chairman of the Gwinnett Neighborhood Leadership Advisory Board and also serves as a board member of the Gwinnett Coalition of Health and Human Services. He is the At Large Representative for the Georgia Jail Association, and is a board member and past chairman of the Law Enforcement Committee of the Georgia Emergency Management Agency All Hazard Council. He is also on the board of directors for View Point Health.