- Professional
- IEEE - The Institute of Electrical and Electronics Engineers
- LOPSA - The League of Professional System Administrators
- SAGE - The System Administrators Guild
- USENIX - The UNIX and Advanced Computing Professional and Technical Association
- Personal
- AEPi - Alpha Epsilon Pi International Fraternity
- FPCN - First Presbyterian Church of Nashville, TN
- VCC - Vanderbilt Community Chorus (redux)
- VUCC - The Vanderbilt University Concert Choir (personal page)