Gerard Jacob Kleywegt (born 5 June 1962, in Rozenburg) is a Dutch X-ray crystallographer and the former team leader of the Protein Data Bank in Europe at the EBI;[1][2][3][4] a member of the Worldwide Protein Data Bank.
[5][6] Kleywegt obtained his PhD from the University of Utrecht in 1991.
After his PhD, Kleywegt did postdoctoral research with Alwyn Jones at Uppsala University.
[7][8] before moving to the EBI.
Kleywegt's research focuses on protein crystallography[9][10][11] and the Protein Data Bank.