Daniele Ingrassia has taught at Fab Academy for 6 years and served as a Fab Lab mentor since 2017. He is a Fab Lab Guru, a permanent scientific staff member of the Rhine Waal University of Applied Sciences, and the owner of his own machine-building company. With a background in computer science, he now implements local digital fabrication courses in official university programs and develops open-source hardware. Leaving behind a long series of Fab Lab-made projects, Daniele managed to develop several open-source machines, such as a dual-source laser cutter and the largest open-source 3D printer. With projects being replicated in many other countries worldwide, Daniele has held several fabrication and machine-building workshops around the world. He lives in North Rhine-Westphalia, Germany.