A Marion/Ralls County Missouri State Highway Patrol corporal will now supervise marine operations in the area.

A Marion/Ralls County Missouri State Highway Patrol corporal will now supervise marine operations in the area.

Captain James E. Wilt, commanding officer of Troop B, Macon, announced the promotion of William R. Koch effective April 1.

Corporal Koch was promoted to sergeant and designated the zone supervisor of Zone 13, marine operations.

Koch was appointed to the Patrol on May 31, 2005. After graduating from the Patrol Academy, he was assigned to Troop B, Zone 7, Knox and Lewis counties.

On August 8, 2008, he transferred to Troop F, Zone 6, Morgan and Moniteau counties. On August 12, 2012, he transferred to Troop B, Zone 9, Marion and Ralls counties, where he was assigned as a marine operations trooper.  He is a native of Quincy, Ill., and graduated from Quincy Senior High School.  He holds an associate of science degree from John Wood Community College in Quincy.

He and his wife Laura (Keck) have two children.