Dominik Peters is a CNRS researcher and principal investigator at LAMSADE. He and his students and postdocs work on computer science topics in collective decision making (computational social choice), involving the design of voting and aggregation mechanisms, axiomatic analysis, and studying rules for fair allocation. The main focus area of the group is a formal treatment of proportional representation in several domains including approval-based committee elections, participatory budgeting, and sequential decision making.