Joan Delort Ylla is a research engineer at École Polytechnique attached to the Laboratory of Dynamic Meteorology (LMD/IPSL), where he conducts research at the interface between climate science, energy systems, and economics, after having defended his thesis there.
He also participates in the governance of the E4C interdisciplinary center on energy and climate issues. In addition, he is head of the École Polytechnique delegation to the UNFCCC, and in this capacity coordinates the school's participation in the COP climate conferences.