Rūta Kačkutė graduated as an archaeologist from Vilnius University in 1993, having participated in an exchange with Aarhus University in 1992, and returned to begin her doctoral studies, which led to a PhD in the humanities. She completed her studies in 2007 at Mykolas Romeris University.
In 2005, Rūta initiated the Book of the Year Awards, which is now an annual event, and in 2016 organised Vilniaus Lapai, the capital’s first literary festival. She contributed to the creation of the Centre for Civil Education, and was awarded the Grand Cross of Commander of the Order for Merits to Lithuania.
From 2009, Rūta Kačkutė served as an advisor on education, science, culture and non-governmental organisations to the Lithuanian President Dalia Grybauskaitė. She became director of the National Museum of Lithuania in 2019.