Erik Hollnagel (Ph.D., psychology) is Professor at the University of Southern Denmark, Chief Consultant at the Centre for Quality Improvement, Region of Southern Denmark, and Professor Emeritus at University of Linköping (Sweden). He has since 1971 worked at universities, research centres, and industries in several countries, most recently as Industrial Safety Chair at MINES ParisTech (France). He has worked with problems from many domains including nuclear power generation, off-shore, aerospac