Diploma in engineering, University Ljubljana, Slovenia, Yugoslavia, 1959. Doctor of Philosophy, University Darmstadt, Germany, 1972.
Design engineer, Institute Milan Vidmar, Ljubljana, 1960-1962; development engineer, Siemens, Erlangen, Germany, 1962-1972; deputy director, Siemens, Erlangen, Germany, 1972-1987; senior director, Siemens, Erlangen, Germany, since 1987; professor, U. Ljubljana, 1987.
Fellow Institute of Electrical and Electronics Engineers. Member International Council on Large Electric Systems (in French: Conseil International des Grands Réseaux Électriques, abbreviated CIGRÉ) (Chairman of Commission since 1996), ETG (Chairman of Commission since 1993).
Married Ana Kriselj, March 17, 1962. 1 child, Gregor.