He is a principal and co-investigator of several national and international projects: KSU, KACST, SGS, ARAMCO, DSFP, NPST, IRIS, CTBTO, US Air force, NSF, UCSD, LLNL, OSU, PSU and Max Planck.[citation needed] He has also chaired and co-chaired several SSG, GSF, RELEMR workshops and forums in the Middle East.[4]