This one-day online conference will bring together geometers and representation theorists working on various aspects of quiver varieties and symplectic resolutions. Through both established and emerging research, these topics enjoy multiple points of contact with investigations into birational geometry, universal enveloping algebras, hyperplane arrangements, character varieties, Higgs bundle moduli spaces and the Hitchin system, hyperpolygon spaces, and the geometric Langlands program. Furthermore, both ordinary and Nakajima quiver varieties provide distinguished examples of integrable systems, mirror symmetry, and symplectic duality. The talks in the Qolloquium conference will explore a number of these ideas and themes with the goal of creating new connections between researchers and their research programs.