Simonas' work focuses on EU energy policy, trade defence and internal market policies. He is part of a team that advises a large energy multinational on a wide range of communications and public affairs activities.

Simonas joined GPlus in 2007 from a job in management consulting where he consulted private and public authorities on EU issues and trained them on structural funds. He undertook a number of research and evaluation studies for the European Commission and the European Parliament.

Simonas is from Lithuania although he has lived abroad for over 11 years. He studied in the U.S. at the Armand Hammer United World College of the American West, at the University College of Utrecht and the Erasmus University in Rotterdam, and did his Masters in Urban Management. In addition to his native Lithuanian, Simonas is fluent in English and Russian, and has a good knowledge of both Spanish and Dutch.