Ph.D. in Computer Science 1992 from the Royal Institute of Technology, Stockholm. Dissertation title: "Toward Scalable Cache-Only Memory Architectures" [9].
M.Sc. in Electrical Engineering 1982 from the Royal Institute of Technology, Stockholm. Thesis title: "Strukturering av en halvautomatisk SPC-växel" (Eng: Structuring a half-automated SPC exchange). M.Sc. thesis and internal report Ericsson, 1982.