Debra Sinclair was a rifle shooter who competed in air rifle at the 1992 Barcelona Olympics. She won four gold medals at the 1991 Pan American Games, winning individually and with the team in both air rifle and small-bore rifle. Sinclair was a double junior national champion in 1988 and 1989. She won two gold medals in junior events and a senior women's air rifle bronze medal at the 1989 Championships of the Americas. She was air rifle gold medalist at the 1990 and 1991 US Olympic Festival.
Sinclair started college at the University of Alaska, Fairbanks and later attended the University of Colorado. Later as Debra Engers, she settled in Walla Walla, Washington with her family. Engers worked there in the compliance department at a local bank and also served as a volunteer assistant coach for rifle at Walla Wall High School.