Öberg received his M.S. in Electrical Engineering in 1964 from Chalmers University of Technology and his Ph.D. in Biomedical Engineering in 1971 from Uppsala University. In 1963-1972 he worked as a Research Associate at Uppsala University. He is since 1972 Professor of Biomedical Engineering at Linköping University. He is also active at the Linköping University Hospital.