Doctor of Medicine, University Gothenburg, Sweden, 1968. Doctor of Philosophy, University Gothenburg, Sweden, 1975.
Resident department surgery, Sahlgren's Hospital/U. Gothenburg, 1969-1975; resident department surgery, Molndals Hospital, Sweden, 1975-1980; associate professor, U. Gothenburg, 1981-1988; practice general surgery, Gothenburg, since 1988; member of staff, Carlanderska Hospital, Gothenburg.
Member Gothenburg Medical Society (secretary), Swedish Surgical Association, Society International de Chirurgie.
Son of Ralph Erik and Sigrid Maria Elisabeth (Backstrom) P. Widowed; children: Sara Helena, Jacob Magnus, John David, Eva Susanna. Married Heather Janet Philipson.