Prof. Dr. Dalia Streimikiene received a Ph.D. degree in economics from Vilnius Gediminas Technical University, Vilnius, Lithuania, in 1997. She is a full professor at Vilnius University and a leading researcher at the Lithuanian Centre for Social Sciences, Vilnius, Lithuania. She has been working in the sustainability area since 1998 and is an internationally recognized expert in this field. She is included in the Rooster of experts in the United Nations Framework Convention on Climate Change (UNFCCC) as a world-class expert on greenhouse gas accounting, forecasting, and mitigation measures on greenhouse gas emissions and assessment. She is regularly invited to work in the European Commission, the United Nations Economic Commission for Europe, the United Nations Development Programme, the UNFCCC Secretariat, the World Energy Council, the IAEA, the Nordic Council of Ministers, and other international institutions as an expert on sustainable energy development and low-carbon just energy transition.