Nicolas Roussel is a research engineer at NVIDIA Research working with the Foundations of Graphics, Communications, and Machine Learning team. Prior to joining NVIDIA, he worked at EPFL, where he developed and maintained the Mitsuba 3 differentiable renderer, as well as its just-in-time compiler and automatic differentiation system Dr.Jit. He holds a M.Sc. in Communication Systems from EPFL. Outside of work, Nicolas enjoys rock climbing and cycling.