Dipl.-Ing. Mario KRANZL:

Managing director under commercial and trade law

• State authorised and certified civil engineer for contruction planning and management (dormant)
• ÖGNI:
  • Founding member
  • Member of the ÖGNI Technical Committee
  • Member of the EU taxonomy advisory board
  • Member of various working groups
  • accredited auditor
  • EU taxonomy advisor
• DGNB auditor
• LEED GA
• BREEAM auditor
• ÖGNB consultant
• KlimaAktiv competence partner
• ESG manager

Johannes ZELZER, MSc:

Managing director under commercial law

• Auditor training for ÖGNI and DGNB
• certified ÖBA expert