Dr. Habil. Grazina Tautvaisiene is an expert in observational spectroscopy and photometry, published more than 120 scientific papers. In 2003 was awarded by the National Science Prize, the highest science prize in Lithuania. The principal investigator of the EC FP-6 BalticGrid and FP-7 BalticGrid-II, Horizon 2020 Europlanet, Gaia-ESO Spectroscopic Survey and other international projects. The editor-in-chief of the annual astronomical almanac since 2001, has published over 100 science popularization articles and interviews, organised 10 international training courses and a number of conferences.
She is the Vice-President of the International Union of Pure and Applied Physics, the Vice-President of the Lithuanian Physics Society, a board member of ASTRONET, the project dedicated to the development of astronomy in Europe, a member of the ASTRONET Working Group on Education, Recruitment and Training, and Public Outreach.