Sherry H. Suyu is a Canadian observational cosmologist whose research uses gravitational lensing of supernovae and quasars to study the expansion of the universe.[1] She works in Germany as a Max Planck Fellow at the Max Planck Institute for Astrophysics, associate professor and head of the Observational Cosmology group at the Technical University of Munich, and leader of the H0LiCOW and HOLISMOKES collaborations for gravitational lensing of quasars and supernovae respectively.[2]