He has been involved in research about evacuation and human behavior in fire since 2002, and received his Ph.D. in Fire Safety Engineering from Lund University in 2009. Daniel's research has focused on the use of way-finding systems for evacuation, e.g., flashing lights at emergency exits, but also on the effectiveness of different information system, e.g., voice alarms and information signs. He has recently also conducted research on people monitoring system in smart buildings. Most of Daniel's studies have involved evacuation experiments. Examples include laboratory exper