PC Member:

I have been serving in many national and international Program Committees (PC) since 2006, here is a list of such conferences:
CISSE2006, MUSIC2006, AH2006, IIT2006, HT2007, IIT2007, NITS2008, NCC19, ICADIWT 2009, ACM T-SAC 2009-2010,  ISWSA2011, ICCA11, CTIT2011, ACM T-SAC 2013, ACM SIGITE 2008, 2009, 2012, 2013, 2014, 2015, iiWAS2010, 2012, 2013, 2014 and 2015, KACSTIT 2016, Educon 2016, ITCSE2016, ACLing 2016, SOMET 2016, ICMMM 2016, ICALP17.

Reviewer for:

• International Journal of Metadata, Semantics and Ontologies (IJMSO)
• eLearn Magazine.  
• WCAG 2.0 in Arabic. http://www.utic.rnu.tn/wcag2.0/

External Journal Reviewer for:

• International Journal on Semantic Web and Information Systems [ISI Journal]
• IEEE Transactions on Knowledge and Data Engineering [ISI Journal]
• Wiley- Software Practice and Experience [ISI Journal]
• Semantic Web Journal

Editorial Board:

• International Journal of Computer Sceince and Engineering in Arabic - المجلة الدولية لعلوم وهندسة الحاسوب بالعربية: http://www.ijcsea.org/
• Journal of King Saud University - Computer and Information Sciences -مجلة كلية علوم الحاسب والمعلومات