Professional Experience Over 20 years of professional experience Since September 2025 two law firms in Munich in cooperation with lawyer Matthias Treff 2016 to 2025: Partner at HT²W Attorneys at Law Harraßer Trepesch Treff Wieser 2011 to 2016: Cooperation with Attorneys at Law Matthias Treff and Joachim Schwarzenau 2004 to 2010: AKKT Attorneys at Law 2002 to 2003: Sole Practitioner © tre-law.de | Matthias Trepesch