Kristijonas is a co-founder of Brolis company group and oversees III-V device and epitaxy activities He received the B.S. degree in electrical engineering in 2007 from Vilnius University, Vilnius, Lithuania, the M.Sc. degree in physics in 2009 from the Royal Institute of Technology, Stockholm, Sweden, and completed PhD studies in the field of semiconductor technology in 2012 from the Walter Schottky Institute, TU Munich, Munich, Germany. In 2011, he co-founded Brolis Semiconductors, Vilnius, Lithuania, where he currently heads the epitaxial growth activities. He has authored or coauthored more than 60 papers in scientific peer-reviewed journals and conference proceedings, two granted U.S. patents, and seventeen pending patent applications. He was awarded with the Order of Merit to Lithuania Knights Cross in 2017, the Medal for Distinguished Service from Lithuanian Special Operation Forces in 2018, and the Medal for Merit of Lithuania's Riflemen's Union in 2015.