Diploma, Technology University, Munich, Germany, 1978. Doctor of Philosophy in Civil Engineering, University California, Berkeley, 1983.
Assistant professor University California, Berkeley, 1983-1989, associate professor structural engineering, 1989-1998, professor structural engineering, since 1998, department vice chair for research and technical support, 1999—2003, Roy W. Carlson Distinguished Professor of civil engineering, since 2004. Engineer Tylin Int, 1983-1984. National Science Foundation presidential young investigator, 1987.
Visiting professor University Rome, Italy, 1988, Ecole Normale Superieure, Cachan, France, 1999, 2000.
Fellow American Concrete Institute. Member American Society of Civil Engineers (Alfred Noble prize 1988, Walter L. Huber Civil Engineering research prize 1994), Prestressed Concrete Institute, Earthquake Engineering Research Institute.
Married Lucia L. Longhi, 1984. Children: Pauline, Romina.