From humble beginnings in Brazil, Jeferson has reshaped his life via open-source, significantly impacting his family. With 20 years of OSS experience, he advocates for open-source, knowledge-sharing, and community growth. He runs a YouTube channel with 95k subscribers. His initiatives like “Chama as Mina” have trained 4000+ women in tech skills, and another program has empowered 1000+ black individuals with Docker, K8s, and Istio expertise. Jeferson holds CKA, CKAD, and RHCE certifications.