MAST Foundation is a cultural and philanthropic institution that focuses on art, technology and innovation. Steel structures are used for main building functions; secondary functions are underground construction in reinforced concrete. Steel structures forming the building are the synthesis of the research for specific solutions to complex problems. Aesthetic value and respect of the initial architectural idea are a further important advantage that structures in steel construction offers. The result is that in part of the building it is not possible to recognize the presence of structures, while in other part of the building structures emerge in all their strength and elegance of expression.