GÉRARD MARAL, PhD, developed the Telecom-Paris Site of Toulouse and its Satellite Communications Systems Educational and Research Programme. MICHEL BOUSQUET, ISAE-SUPAERO (Retired) has lectured on satellite communications in numerous universities and continuing education courses world-wide. He was involved in several EU and ESA research programmes. Standing on the committees of AIAA and IEEE conferences, he is the recipient of the AIAA Communications Award for 2019. ZHILI SUN, PhD, is Professor at the University of Surrey and Postgraduate Research Director. He has researched satellite communication networks for more than 26 years and worked in many major European framework research projects.