Oechsner Mathias has extensive experience in the natural stone industry, currently serving as a Technical Consultant for Ventilated Facades at Sto SE & Co. KGaA since July 2014. Prior to this role, Mathias held various leadership positions at Zeidler | Wimmel Natursteinindustrie GmbH & Co. KG from August 1989 to June 2014, including Head of Procurement and Calculation, where responsibilities involved cost-optimized and timely proposal preparation as well as procuring project materials and subcontractor services. Additionally, Mathias has a solid technical foundation, having trained as a stonemason and studied stone technology, culminating in a degree as an Industrial Business Manager in Natural Stone. Education includes qualifications from the Steintechnisches Institut Mayen-Koblenz and the Fachschule für Steintechnik Wunsiedel.