Prof. Dr. Piet Emmer studied history and economics at Leiden University. He worked at the University of Amsterdam (Faculty of Economic Sciences) where he obtained his PhD in 1974 with the thesis 'England, the Netherlands, Africa and the slave trade in the nineteenth century'. He then worked at Leiden University until 2009, as full professor of the history of European expansion and related migration and slavery. In addition, he was an associate professor at the University of Amsterdam, Faculty of Economics and Business Administration, from 1 September 2005 to 1 September 2007. He was also a Visiting Fellow at Churchill College in Cambridge, the Berlin Institute for Advanced Study and the Netherlands Institute for Advanced Study in Wassenaar. As Visiting Professor, he was associated and taught at the University of Texas in Austin, the Universität Hamburg and the Université de Bretagne-Sud. He was a Member of the Editorial Board of the Journal of Imperial and Commonwealth History and Journal of Caribbean History. His best-known book is: "The Dutch Slave Trade 1500-1850." In 2009, he retired