Co-editor (with Drs. Rahul Singh and Al Salam) Special section on Semantic E-Business, Communications of the ACM, December 2005.
Co-editor (with Dr. Al Salam) for the Special Issue of Journal of Electronic Commerce Research on Exchange Relationship in the Digital Economy. (May 2002).
AMCIS Conference, Semantic e-Business Mini-track Co-Chair, 2003-2007
GITMA Conference, Global Electronic Commerce Track, 2001 to 2004; IT in Health track 2009.