Maja Rudolf, Associate Professor at the University of Zagreb, in the Faculty of Graphic Arts, graduated in 2006 from the University of Zagreb, in the Faculty of Graphic Arts. In 2013, she obtained her doctoral degree on the subject of "Postage stamps security graphics by dual ink properties with parameter Z and individualized screening elements". She has taught classes at the Faculty of Graphic Arts since 2006. Since 2013, she has worked as a postdoctoral researcher. In 2016, she was elected Research Associate, and in 2017, she obtained her title as Assistant Professor. From 2007 until 2009 and in 2022, she worked as an expert associate at the Polytechnic of Zagreb. At the University of Zagreb, she teaches courses about digital multimedia, programming, and printing. Her research interests include printing ink manipulations for obtaining hidden images in the infrared spectrum and specialized halftone elements. Her recent interests include the development of ecologically acceptable paper substrates from non-wood sources under the project "Printability, quality and utilization of substrates with non-wood fibres".