Sergio Leiva – Director                                                                       Juan E. Leiva – Director of Engineering
Dipl.-Ing. University of Chile                                                                            Dipl.-Ing. University of Chile
M. Eng. Membrane Structures, Anhalt University Germany
Languages Spanish, Englisch, German                                                         Languages Spanish, English

since 2011 Berlin Building Chamber, Germany
since 2006 Institue for Membrane and Shell Technologies, Building and Real State, Dessau, Germany

Professional Experience / Main Engineering Projects
2018 Red Sea Mall Skylight, Jeddah, Kingdom of Saudi Arabia (Big ETFE cushion supported with cables)
2018 Oxigeno, San Francisco de Heredia, Costa Rica, CR (Big ETFE cushion supported with cables)
2018 Greater Rochester Int. Airport, Spine Structure, Rochester, USA (PTFE)
2017 MLC School Atmosphere Facade, Sydney, Australia (Steel cables, Aluminum)
2017 The Sail Tower, Jedahh, KSA (Silicone glass membrane, Aluminium)
2016 Saraya Residential Tower Hypar Shades, Abu Dhabi, UAE (PVC)
2015 La Victoria Shoping Mall, Ciudad de Mexiko, Mexiko (Steel, Aluminium, PVC /PES membrane, ETFE)
2014 Nativa Shoping Mall Monterrey, Mexico (Aluminium, ETFE)
2014 Sculpture Garden Catenary – Hall Arts Center, Dallas, USA (Stainless steel cables)
2013 155 Queen Street Mall Facade, Brisbane, Australia (Stainless Steel + Aluminum sheets)
2013 Covering Sport Center Effretikon, Switzerland (PTFE)
2013 Rundle Street Mall Catenary Lighting, Adelaide, Australia (Stainless steel cables)
2011 Roof for Cloister Lehnin, Lehnin Deutschland (Steel, PVC/PES)
2010 Roof for Kiev‘s Olympic Stadium (Cable trusses with PTFE-fiber glass cover membrane)
2009 Automotive fair Frankfurt, IAA 2009, Germany (Cover of PVC-PES for the Mercedes Benz stand)
2009 Bus station Aarau, Switzerland (Steel, ETFE-Foil)
2008 Schloss Dresden, Germany (ETFE-Foil)
2008 Pyräeus 180, Greece (Retractable roof, silicon-fi ber glass)
2007 Covering central Hall Chambers of Engineers, Chile (PVC-PES)