Giron was the second ever Colorado legislator to be successfully recalled in the state's history.
Rivera was born in Pueblo, Colorado in 1948 and grew up on the city's east side.
He has an associate degree in General Studies from Pueblo Community College.
He joined the Pueblo Police Department in 1971 and served as a Patrolman, Corporal, Sergeant, Captain and Deputy Chief, before retiring in 2005.
He is married to Kathryn and they have two children, George and Jennifer, as well as step-children Brandon, Rachel, and Victor.