1982 – 1988. Vienna Technical University, Assistant at the Institute of Steel Construction (O.Univ.Prof. Dipl.-Ing. Dr. GünterRamberger)
Since 1988, he works at Zeman& Co Gesellschaft:
Since 1996 as a Chief of Technical Bureau,
Since January 1, 1998, he is an authorized representative of the company.
Other professional activity:
Since 1987, he is a participant of various committees of Austrian Unions in Steel Construction (ÖSTV)
From 1990 to 2010 he is an Austrian Delegate at TC7 (European Convention for Steel Construction - ECCS), a member of working groups 7.5 and 7.10
From 1993 to 2014 he is a member of the Committee for Technical Norms and Standards for Steel Construction (FNA 013) of the Austrian Standardization Institute
From 1998 to 2012 - The Chairman of the Technical Committee of the Austrian Steel Construction Union (ÖSTV), a member of the Marketing Commission (ÖSTV)
From 1998 to 2011 he is a contact person on technical issues from Austria at the European Committee for Standardization (CEN) for Normenteile EN 1993-1-3 and EN 1993-3