Professional Affiliations • Indonesian Institute of Architects (IAI) • Unites States Green Building Council (USGBC) • Indonesian Association of Structural Engineers (HAKI) • National Association of Indonesian Consultants (INKINDO) • American Society of Heating, Refrigerating, and Air conditioning Engineers (ASHRAE) • American Society of Civil Engineers (ASCE) • Society of American Value Engineers (SAVE)     Awards • The International Energy Efficient Building ASEAN ENERGY AWARDS 2009 for Holy Stadium, Semarang • The International Energy Efficient Building ASEAN ENERGY AWARDS 2006 for Grha Wonokoyo, Surabaya • The International Energy Efficient Building ASEAN ENERGY AWARDS 2002 for Graha Pangeran, Surabaya • KALYANAKRETYA UTAMA 2002 from the Ministry of Research & Technology and the President of the Republic of Indonesia • Ministry of Energy and Resources Award 2006 • The Association of Indonesian Engineers 2006 (PII) • The Distinctive Award 2002 and 2006 from PETRA CHRISTIAN UNIVERSITY-Surabaya