[5] Rieth was an Army helicopter pilot for four years before joining New Jersey's National Guard as an active duty officer.

His father, Kenneth Rieth, was the state's deputy adjutant general in the Democratic administration of Jim Florio.

[4] Glenn Rieth was appointed Adjutant General in 2002 by Governor James E. McGreevey and confirmed by the New Jersey Senate on March 4, 2002.

Major General Rieth served under both Democratic and Republican governors spanning the administrations of McGreevey, Corzine, and Christie, as well as Richard Codey.

[6][7] After leaving the adjutant general's position, Rieth was employed as deputy director of the Mercer County Park Commission.