Marek Biesiada graduated astronomy studies at Jagellonian University in 1988, and in 1991, he obtained a PhD degree in physics from the same university. Then, he worked at the Copernicus Astronomical Center of the Polish Academy of Sciences. As a researcher, he had visiting appointments at prestigious institutions abroad, including the Princeton Astronomical Observatory, Niels Bohr Institute in Copenhagen, and Institute of Astrophysics in Paris. Currently, he is working at the National Center for Nuclear Research, Warsaw, Poland. He also obtained higher scientific degrees: a habilitation in physics in 2007 and the title of professor in 2013. His research interests comprise theoretical and observational cosmology, gravitational lensing, and gravitational waves. In 2018, he was honored with W. Rubinowicz Prize of the Polish Physical Society for his achievements. Besides pure research, he also serves as a member of the Astronomy Committee of the Polish Academy of Sciences, the European Strategy Forum on Research Infrastructure, and the Interdisciplinary Advisory Board on Research Infrastructure of the Minister of Science and Higher Education of Poland.