Wendy Mackay is a Research Director, equivalent to a tenured full professor in the ex)situ research group in Human-Computer Interaction at Inria, Paris-Saclay, and the Université Paris-Saclay. She teaches in the HCID and HCI international Masters degree programs at the university. The Ex)situ research group explores the limits of interaction — how extreme users interact with technology in extreme situations. Rather than beginning with novice users and adding complexity, they begin with expert users who already face extreme interaction requirements.