[1] A graduate of Columbia Heights (MN) High School, he played his college years at the University of Iowa.
After retiring from the NFL, Alt began assistant coaching at Cretin-Derham Hall High School in Saint Paul, Minnesota, working with the offensive line.
He then went to Totino-Grace High School to coach the offensive line when his son Joe started playing there.
Alt's son, Mark, was selected 53rd overall in the 2010 NHL Entry Draft by the Carolina Hurricanes,[2] and played hockey for the Colorado Avalanche.
This biographical article relating to an American football offensive lineman born in the 1960s is a stub.