Sergei Pushko hold Ph.D. in Physical Chemistry in 2002. Spent more than 10 years in crystallochemistry and electron and atomic force microscopy of semiconductors and ionic conductors.  Since 2012 has been involved into Russian space project in field of space photovoltaics. Participated in many  Russian and International projects aimed to development of advanced solar arrays for different types of space vehicles. Author of more than 50 publication in international journals. Nowadays he is working for Russian private space company Bureau 1440 (https://t.me/bureau_1440 ) on position of Head of Photovoltaics Department.