Editor-in-Chief, Journal of Heat Transfer, ASME, 2005-2010

Associate Editor, Int. Series on Developments in Heat Transfer, Computational Mechanics Pubs., Southampton. UK: 1997-

Editor, Heat Transfer and Transport Phenomena, Computational Mechanics, Springer International, 2000-2005

Managing Editor, Computational Mechanics, Springer International: 1994-2000

Associate Editor, ASME Journal of Heat Transfer:
1993-1999

Member, Editorial Board, International journal of Heat and Mass Transfer and International Communications in Heat and Mass Transfer, Elsevier, 2003-

Member, Editorial Advisory Board, Numerical Heat Transfer, Taylor & Francis, 1987 -

Member, Editorial Board, SADHANA, an international journal on engineering sciences published by Indian Academy of Sciences, Bangalore, India: 1992-2000

Member, Editorial Board, International Journal of Numerical Methods for Heat and Fluid Flow, Wiley: 1990-2003

Member, International Advisory Board for several international conferences