As District Attorney, Mr. Hermann has represented his office and the County in a variety of capacities and roles, including the following:
- Governor Kitzhaber's Task Force on Public Safety
- Washington County's Law Enforcement Council
- Public Safety Coordinating Council
- Pacific University Mental Health and Criminal Justice Forum
- Major Crimes Team
- Adult Drug Court
- Mental Health Court
- Oregon District Attorney's Association
Board member and President (2005, 2015) - Oregon State Bar's Press Broadcasters Council
- Oregon's Fight Crime: Invest in Kids
- Chief Justice's Advisory Council
- Governor's Task Force on Sentencing
- Senator Ron Wyden's Selection Committee for Oregon's U.S. Attorney and U.S. Marshal
- Steering Committee and Board of Directors for the Washington County Family Justice Center