Reouven (Ruben) Fellous is a skilled engineering professional with a diverse background in research and development, specializing in systems engineering and mechanical engineering. Currently serving as a Research and Development System Engineer at CollPlant, Reouven focuses on 3D bio-printing implant development. Prior experience includes leading a multirotor drones systems engineering team at Aeronautics Group and managing high-tech sensing technologies at the Israeli Ministry of Defense. Reouven has also held roles as an International Project Manager and has extensive experience in the Israeli Defense Forces, where Reouven led the design and integration of complex systems for harsh environments. Reouven holds a Master's degree in Systems Engineering and a Bachelor's degree in Mechanical Engineering from Afeka Tel Aviv Academic College of Engineering, along with training as a Practical Engineer in Airframe Mechanics.