- Dan Altena
Sioux County Sheriff
Sheriff Dan Altena attended Sioux Center High School at Sioux Center, Iowa. He attended Western Iowa Tech in Sioux City, Iowa studying Police Science. He graduated from the Iowa Law Enforcement Academy in 1981. He has attended many schools and seminars pertaining to the field of law enforcement. He is also a graduate of the F.B.I. Law Enforcement Executive Development (L.E.E.D.S) School.