[2] Herr lived in New Windsor, New York as a teenager and played before Newburgh Free Academy's club hockey team while in middle school.
[4][5] Herr played his college hockey at the University of Michigan from 1994–98, where he was teammates with future NHL player Bill Muckalt.
[6] Herr also pitched for Michigan's baseball team from 1996–98 and was selected out of high school by the Atlanta Braves in the 29th round of the 1994 MLB draft.
During the 2004–05 NHL lockout, Herr played with the DEG Metro Stars and head coach Butch Goring in the Deutsche Eishockey Liga.
Following in 2022, Herr coached the team to the USA Hockey National Tournament and one of the best records in Washington Pride 14u history.