Uirá Ribeiro is a distinguished leader in the IT and Linux communities, recognized for his vast expertise and impactful contributions spanning over two decades. As the Chair of the Board at the Linux Professional Institute (LPI), Uirá has helped shaping the global landscape of Linux certification and education. His robust academic background in computer science, with a focus on distributed systems, parallel computing, and cloud computing, gives him a deep technical understanding of Linux and free and open source software (FOSS). As a professor, Uirá is dedicated to mentoring IT professionals, guiding them toward LPI certification through his widely respected books and courses. Beyond his academic and writing achievements, Uirá is an active contributor to the free software movement, frequently participating in conferences, workshops, and events organized by key organizations such as the Free Software Foundation and the Linux Foundation. He is also the CEO and founder of Linux Certification Edutech, where he has been teaching online Linux courses for 20 years, further cementing his legacy as an educator and advocate for open-source technologies.