Benjamin D. Wandelt is a theoretical astrophysicist and cosmologist whose research focuses on the early universe, cosmic microwave background, and large-scale structure of the cosmos.
Wandelt earned his Ph.D. in astrophysics from Imperial College London.
Wandelt has held faculty positions in the Departments of Physics and Astronomy at the University of Illinois at Urbana-Champaign. Wandelt has served as a professor at Sorbonne University and as the director of the Lagrange Institute at the Institut d'Astrophysique de Paris.
Wandelt has been a recipient of the Friedrich Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation.