Mr. Gempeler is heavily involved in numerous legal organizations and activities.

• MSBA Criminal Law Section council member - 2014-present
• MSBA Solo/Small Firm Section elected council member - 2015-present
• Expungement Task Force - group consisting of public and private attorneys who discuss latest trends and work towards effecting change through group policies and actions
• Richard T. Oakes American Inn of Court - 2015-present
• Captain of the North Star Criminal Defense softball team in the HCBA co-ed softball league