b. 1956. dr. phil. , research professor, The National Museum of Denmark. Assistant and associate professor in Arctic Archaeology at the University of Copenhagen (1987-1995). Director at Historical-Archaeological Experimental Centre, Lejre (1995 – 1999). Head of SILA-Arctic Research Centre, The National Museum of Denmark (1999-2008) and research professor from 2009. Archaeological field work in Greenland since 1977.