John Halloran

Volunteer and Musician in San Antonio, TX

If you’d like to get in touch, feel free to say hello through any of the social links below.

  • Work
    • McCallum's Tax & Bookkeeping
  • Education
    • WInston Churchill High School (WC '76)
    • University of Texas at San Antonio (BBA-Acct) '91
    • UTSA - Master's Healthcare Administration 2012