Tomas Janeliūnas has been a professor at the Vilnius Institute of International Relations and Political Science (TSPMI) since 2015. He defended his doctorate in the social sciences at Vilnius University in 2006.
Between 2013 and 2018, he led the TSPMI International Relations Cathedral. Between 2009 and 2020, he was the Editor in Chief for the magazine Politologija. Between 2007 and 2017, he edited the releases of the Lithuanian Foreign Policy Review. Between 2010 and 2019, he was the politics editor and analyst for the magazine IQ.
T. Janeliūnas is an expert for the National Security and Defence Committee (drafting the Lithuanian National Security Strategy review), in 2016 and 2020, he was an expert for the European Economic and Social Committee (EESC), in drafting positions for the Review of the European Neighbourhood Policy (REX/458-EESC-2016) and Towards a New European Neighbourhood Policy (REX/447-EESC-2015).