At Drake, Herman experienced frequent theoretical study by returning guest lecturer Vincent Persichetti.
As a young clarinetist, he played principal clarinet in Karl King's band in Fort Dodge, Iowa.
In addition, he served as the Educational Director for Bands of America and McCormick’s Enterprises, a music corporation in Chicago, Illinois.
Hermann and the Tech Symphony band are responsible for numerous commissioned compositions from award-winning composers including Donald Grantham, Robert Jager, Greg Danner, Thomas Sleeper, and Rodney Waschka II.
Composers such as Adam Gorb, Robert W. Smith, Gunther Schuller, James Barnes, Mark Camphouse, John Zdechlik, Jared Spears, Eric Ewazen, James Curnow, Elliot Del Borgo and Leroy Osmon have also visited and had residencies with the Tech band.
Hermann's tenure at Tech has cemented him as a music educator of note, with many of his former students teaching and conducting in every facet of the wind band community.
Hermann also oversees Tennessee Tech's annual Festival of Winds and Percussion that has featured guest conductors including Thomas Lee, Kenneth Bloomquist, Thomas Fraschillo, James Keene, James Croft, Frank Wickes, Stanley Michalski, Alan Bonner, John Bourgeois, and Harry Begian.
He assumed the Presidency during the ABA convention March 4–8 in College Station, Texas,[4] succeeding Robert Jorgenson.
He is a member of Phi Beta Mu, a past President of the Pac-10 Band Directors Association, a past Province Governor for Phi Mu Alpha Sinfonia, and holds honorary memberships in Kappa Kappa Psi and Tau Beta Sigma.