Thomas was born and raised in Skien, Telemark. With a bachelor degree from the University of Stavanger, and Masters from The Norwegian Academy of Music, he is a part of the strong young Norweigan jazz elite. He has done extensive touring in Scandinavia, Europe, Japan and USA, with both his own projects and as a sideman in several other bands.
His main project is Cortex, which is a quartet consisting of Thomas, Kristoffer Alberts, Ola Høyer and Gard Nilssen. Cortex is a Norwegian band which plays enerergetic jazz of the finest brand. With over one hundred live perfomances and four highly acclaimed albums, they position themselves as one of the strongest additions to the Norwegian jazz scene.
He is also a part of several distinctive bands and projects, including his own record label Tammtz Records which was established April 2016