Gwenhaël de Wasseige is a Francqui assistant professor at the Research Institute in Mathematics and Physics (IRMP), Université catholique de Louvain. After completing her PhD thesis between the Vrije Universiteit Brussel and the University of Wisconsin at Madison (USA) within the international collaboration IceCube, Gwenhaël de Wasseige continued her research activities at the Astroparticules et Cosmologie (APC) laboratory of the Université de Paris and CNRS, first with a grant from the Ile-de-France region and then as a EU Marie Sklodowska Curie individual fellow. Gwenhaël and her group are now involved in the search for neutrinos both in the South Pole ice, where IceCube is buried, and in the Mediterranean Sea with the KM3NeT telescope. Gwenhaël focusses on the search for neutrinos emitted during traensient phenomena, such as gamma-ray bursts, binary compact mergers, and solar flares. In order to increase the chances of detecting neutrinos, some of the most elusive particles, she develops multi-messenger and multi-detector approaches, combining information from several telescopes observing the same astrophysical phenomena.