Stefan Kelz studied business administration at the university of Bayreuth with a focus on taxation and auditing.
After only six semesters he graduated as Diplom-Kaufmann (German MBA equivalent) in 2005. He then started his professional
career in a local accounting practice in Bad Kissingen. In 2009 Stefan Kelz has been appointed "Steuerberater" (legal tax advisor).
Since 2012 he works at Hey & Heimüller where he primarily advises small and mid-sized companies on all tax and general
business matters. He is a partner at Hey & Heimüller since 2018.