This paper represents a brief review to 26 scientific contributions in the special issue of the 10th Natural Gas Conversion Symposium (NGCS-10) held in Doha, Qatar, March 2013. In addition, the aim of this paper is to highlight the impact of NGCS-10 in the advancement of research activities in gas conversion processes and other related gas monetization technologies. (C) 2014 Published by Elsevier B.V.