Dr. Maciek Wielgus – an astronomer working on the physics of black holes, especially their observations in radio waves, problems of accretion, jet emission, and strong gravity.Since 2010, he has been affiliated with the M. Kopernik Astronomical Center of the Polish Academy of Sciences in Warsaw. Laureate of the START and VENTURES programs of the Foundation for Polish Science.He defended his PhD in image analysis in laser interferometry at the Warsaw University of Technology in 2016, receiving the Prime Minister’s Award for the dissertation.In 2017, he took a job at the Black Hole Initiative institute at Harvard University in the US and joined the Event Horizon Telescope (EHT) team, where he led a group dedicated to studying the temporal variability of objects observed by the EHT.For obtaining the first radio images of supermassive black holes at the center of the M87 galaxy and at the center of our Milky Way, he and the EHT team received a number of prestigious scientific awards, including the Einstein Medal, the Bruno Rossi Prize, and the Breakthrough Prize in Fundamental Physics. As of early 2025, he is based at the Instituto de Astrofísica de Andalucía – CSIC in Granada, Spain. He enjoys traveling and mountain hiking.