Adi Nur Cahyono is an Associate Professor in Mathematics Educational Media. He is a civil servant lecturer at the Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang (UNNES), Indonesia, since 2008. He is also an Expert Staff of the Rector of UNNES for Academic Affairs in 2019-2021 and Head of the Sub-Directorate of Reputation and Partnership of UNNES since 2023. In 2017, he received his doctoral degree (Dr.rer.nat.) from J.W.v. Goethe-Universität Frankfurt am Main, Germany, in the speciality of Didactics of Mathematics for his work on the MathCityMap Indonesia. He teaches and supervises undergraduate, master’s, and doctoral students in mathematics education media, geometry, and teaching & learning mathematical modelling. He is the founder of the Math Trails Media Research Group, where he and his team conduct research and work with a focus on math trails, mathematical modelling, and mathematics education with digital technologies in collaboration with teachers and researchers from other institutions in Indonesia and abroad. He is a nominee for the 2023 National Academic Leader Awards in Education. In 2021 and 2023, he became a Visiting Professor at Johannes Kepler University (JKU) Linz Austria.