Raša is an educator and researcher in graphic communications and technology, with a strong focus on graphic prepress, PDF technologies and color management. She brings a deep understanding of digital workflows and print production, grounded in both academic knowledge and hands-on experience. In addition to her technical specialization, she has a deep interest in multisensory design, exploring how visual communication can engage multiple senses to create more inclusive and impactful experiences. Above all, she is driven by a love of teaching and sharing knowledge – inspiring students, supporting young professionals, and helping bridge the gap between education and industry. She believes deeply in giving back to the community through education, collaboration and thoughtful design, with the hope of making the world just a little bit better.

David is a physicist by education who has spent his career working at the intersection of technology, production workflows, and people. His background spans software development, automation, PDF, and industry standards, with a focus on real-world production challenges. Today, David is Chief Evangelist at callas software, where he works with end users, partners, and OEMs to improve PDF technology and help organizations get the most out of it – by identifying problems, explaining complexity, and moving penguins to more productive places. 

Živko is a full professor at the Faculty of Technical Sciences, Department of Graphic Engineering and Design in Novi Sad, Serbia, and a lecturer at the University of Banja Luka since 2012. With more than 23 years of experience in graphic production and technology, he combines academic expertise with practical industry knowledge, including work as a consultant for print standardization. He currently serves as Head of the Master’s Program in Graphic Engineering and Design and coordinates international CEEPUS collaboration projects.