Associate Member
International Center for Theoretical Physics (ICTP); Trieste,Italy 1983-1993

Guest Researcher
International Center for Theoretical Physics (ICTP); Trieste, Italy 1983, 1985, 1987, 1991 summers.

Guest Researcher
Solar Energy Research Institute (SERI), now National Renewable Energy Laboratory (NREL), Golden, Colorado, USA 1989 summer.

Member of Executive Committe
International Center for Applied Thermodynamics (ICAT) 1998-present

Member of Scientific Council
International Center for Applied Thermodynamics(ICAT) 1998-present

Member of Scientific Council
International Center for Heat and Mass Transfer (ICHMT) 2006-present

ARÇELİK A.Ş. the largest household appliances company in Turkey, 6th largest one in Europe, October 1997 – 2005
Also was consultant to many companies in Turkey.

Istanbul Chamber of Industry (ISO), Committee of Quality and Technology (KATEK), November 2000 – present
Develop technology strategies and policies and prepare report for government.
KATEK has representatives from industry, universities, research instutions, NGOs, public institutions. The vision of KATEK is:
To develop and assist quality and technology policies of ISO,
To support ISO members in their efforts towards increasing their competiteveness through innovative processes.


District Heating and Cooling (DHC)Technology Platform, 2008- present

Member of Board of Trustees
ISKAV (Foundation of Heating, Cooling, Airconditioning Research and Education), 1999-present

Honorary Member
ISKID (Air Conditioning & Refrigeration, Manufactures Association), 1997-present

Honorary Member
COGEN (Cogeneration Association), 1997-present

Member of Regional Board
TTMD (Turkish Heating, Cooling, Air Conditioning and Sanitary Engineers Association), 1996-2002

UIG (National Innovation Initiative) 2005-present

VISION 2023 Energy and Natural Sources Working Group TÜBİTAK (Turkish Scientific Research Council), 2002-2004
Prepared “National Strategical Report” on energy and natural sources for next 20 years of Turkey.

Member of Executive Committe
TEGEV (Foundation for Improvement Technological Education),  2007-present

Member of Academic Council
Marmara Strategical Research Foundation, December 2002-present
Prepare technical documents on vital national interest such as European Union and Neighboring Countries.

Member of Board of Trustees
Marmara Strategical Research Foundation 2005-present

Managing Editor
International Journal of Applied Thermodynamics 1998-2003

Regional Editor
International Journal of Applied Thermodynamics 2003-present

Journal Columnist
TESİSAT (Journal of Energy Technologies and Heating, Cooling, Airconditioning Systems), September 2001 – present
Printed 12000 copies monthly.

Invited Speaker
Ecocity 2009 (ecocity world summit 2009)