As a Structural Consultant with a keen interest in architecture for more than twenty five years Mr. Ayrapetyan specializes in structural engineering, earthquake engineering, and architectural aspects of complex structures. In addition to structural design with such materials as steel, concrete, wood, masonry, he has a vast experience in design of long span aluminum structures such as geodesic domes up to 415 ft in diameter (clear span) for sport arenas, churches, concert halls, and industrial facilities. His practice includes both national and international projects. Mr. Ayrapetyan has being teaching at the USC School of Architecture (2006 to present), Building Science as Adjunct Assistant professor both undergraduate and graduate courses related to structures and building systems, while sharing with students his rich professional experience. He was presenting as a guest lecturer (1998 to 2006) aluminum design concepts to fourth year USC Building Science students. He has provided engineering seminars (since 1994) in aluminum design, finite element modeling of long span structures, and wind & seismic design to engineers. In addition, he was faculty assistant at Devry Institute of Technology and at UCLA, while doing his undergraduate & graduate work.