Theofanis Matsopoulos specializes in Planetarium Production, FullDome Cinematography, Giant Screen Documentary Production, Visual Science Communication, 3D animation and Astrophotography. He collaborates with world-famous organizations as European Southern Observatory (ESO), European Space Agency (ESA) and National Science Foundation (NSF) / AURA - Noirlab ​He has created and directed documentaries for planetariums which are presented in planetariums all over the world and have been translated into more than 30 languages. ​The documentaries "From Earth To The Universe", the award-winning "The Hot and Energetic Universe" & "The Sun: Our Living Star" as well as more than 300 video clips, time-lapses, and 3D animations are available on the European Southern Observatory's and ESA's Hubble Space Telescope website. They are distributed for free in order to disseminate astronomy science in general public. ​He photographs nightscapes, astronomical phenomena and celestial deep sky objects using various telescopes in his private astronomical observatory. ​He has presented four photography - astrophotography exhibitions titled: "The Greece of the Stars", "Between Heaven and Earth", "National Observatory of Athens", "Ancient Corinth" in Athens (Eugenides Planetarium, National Observatory of Athens), Ioannina (Historical Archive Museum of Epirus), Corinth (Archaeological Museum of Nemea, Municipal Art Gallery of Corinth) and other cities and islands in Greece. ​He also collaborates with the National Observatory of Athens (NOA) producing documentaries for the Visitor Center and taking astronomical images using its scientific instruments. Theofanis Matsopoulos is a member of International Planetarium Society since 2018 Awards "Golden Star Award (1st)" for the planetarium movie "The Hot and Energetic Universe"​ (International Planetarium Movie Festival at Gwacheon National Science Museum 2016) "Best FullDome Cinematography Award" for the planetarium movie "Capturing the Starlight: The Magnificent Telescopes" (International Fulldome Festival & Planetarium Conference - Yaroslavl 2017) "Best Visual Effects Award" for the virtual reality documentary "Mars: The Red Planet VR" (World Visual Reality Innovation Conference 2018) "The Best Science Popularizing Fulldome Show" for the planetarium movie "The Sun. Our living Star" (International Fulldome Festival & Planetarium Conference - Yaroslavl 2019) ​