Juan González Gómez Obijuan (born Juan González Gómez, January 18, 1973, in Madrid, Spain) is a doctor in computer science and telecommunications publicly recognized for having become the first Spanish winner of the O'Reilly Open Source Award. Juan is one of the pioneers of open source educational robotics in Spain. Inspired in the RepRap community created by Adrian Bowyer in 2004, Juan pioneered the diffusion of free 3D printing and is credited with being the founder of the CloneWars community, which brought together up to 4,000 Spanish-speaking members. Juan acquired the eighth RepRap 3D printer of the world (manufactured by Makerbot) and he edited a series of 63 video-tutorials for the Spanish community which comprised the step by step instructions to assembly from scratch a Prusa 2 model and became very popular. He also continued its production of open online courses (MOOC), grouped under the brand Obijuan Academy, among which stand out as a reference for the entire maker communi