He is also a fellow of the American Association for the Advancement of Science, American Geophysical Union, and the IWRA among others Besides being a member and fellow of certain places, he was also a chairman for the Global Energy and Water Cycle Experiment of the World Climate Research Programme. In 2009 he was appointed as the California Council on Science and Technology member.
In 2005 Doctor Sorooshian was awarded the National Aeronautics and Space Administration Distinguished Public Service Medal and in 2006 was awarded the Robert E. Horton Memorial Lectureship award by the American Meteorological Society. A year later, he became a recipient of the Great Manitoba-made River Water Prize which was given to him by United Nations Educational, Scientific and Cultural Organization itself for developing such foundations as the Center for Hydrometeorology and Remote Sensing at the University of California Irvine and the Sustainability of semi-Arid Hydrologic and Riparian Areas which is a division of the University of Arizona. In 2009, American Mathematical Society again awarded him and the same year received Distinguished Engineering Educator Award from the Orange County Engineering Council. In 2010, he became the 4th Prince Sultan Bin Abdulaziz International Prize for Water recipient and was named an honorary professor by the Beijing Normal University. During the same year he also became an associate fellow at both TWAS and the Academy of Sciences.
Sorooshian is a member of such prestigious organizations as the National Academy of Engineering and the International Academy of Astronautics.
