Job Weststrate was born in Amsterdam, The Netherlands, and grew up near the German border. Currently, he resides in the university town of Leiden. From 1993 until 1999, he studied at Leiden University and the Humboldt-Universität Berlin, majoring in Medieval History. He earned his M.A. at Leiden with a thesis on the Dutch Hanseatic towns in the Later Middle Ages.
In addition to teaching at Leiden University, Job is also pursuing his Ph.D. His dissertation examines the commercial development of the Eastern Netherlands between 1350 and 1570. Job's articles on Hanseatic trade in the Netherlands have been published in several important journals, both in the Netherlands and abroad.
Job is also the editor of Madoc, a well-known Dutch journal on medieval history. His contributions to other publications have featured a study on Emperor Charles V, which was distributed by the prestigious Mercatorfonds, a publisher of art books in Antwerp.
Additionally, Job has worked as a specialized guide in Museum Boerhaave, wrote articles on history in children’s magazines and translated medieval beer recipes for a Japanese brewery.