Complex sentence: He heads the group transmitting Team Encounter's interstellar messages using the Evpatoria Deep Space Center (EDSC) in Ukraineis serving as the SETI League's (1) Regional Coordinator for Russia.
Split into simpler sentences: He heads the group transmitting Team Encounter's interstellar messages using the Evpatoria Deep Space Center (EDSC) in Ukraine. He is also serving as the SETI League's (1) Regional Coordinator for Russia.