Since July 2008 Full Professor in Business and Organizational Psychology at the University of Duisburg-Essen, before assistant professor for Psychology at the University of St. Gallen (2002-2008), Switzerland, and research assistant at the Technical University Aachen (1996-2001). Diploma in I/O Psychology at the Technical University of Aachen (1991) and Doctor´s degree at the University of Kassel (1994), at the department of ergonomics and vocational training.
Research interests in training and work-based learning in organizations, basic and refresher training for handling complex systems, use of cognitive task analysis for simulator-based training design, development of job performance aids based on cognitive error analysis methods, knowledge sharing behaviour, organizational learning from errors, and organizational factors influencing safety-related rule violations.