Rafa Caldas is a Co-CEO at Premier World Discovery. They possess expertise in microsoft office, matlab, microsoft excel, engineering, solidworks and 31 more skills. They is proficient in French. Colleagues describe them as "I had the privelege of being classmates with Rafa Caldas at Columbia Business School. Rafa was a top student in the class. He consistently made strong contributions during lecture and produced high quality work. Rafa takes a genuine interesting in learning and is willing to help out his classmates at any time. Rafa has a very strong work ethic and picks up concepts very quickly. He would make a very positive impact on any team he joined.", "Rafaell, foi estagiário na White Martins apresentando excelente nível teórico sobre engenharia e grande capacidade para solução de problemas. Com seu ótimo relacionamento interpessoal teve um grande desenvolvimento prático na área de projetos e caldeiraria. Recomendo Rafaell para qualquer vaga de engenheiro pois é altamente qualificado, comprometido e ético.", and "Rafaell and I studied together at UFRJ. Besides having the technical skills demanded for an engineer, Rafaell communicates very efficiently, which is one of the reasons why he was fundamental in every project that we did together. He is assertive when giving his opinions and, at the same time, is open-minded for new ideas. He is a very good team player!"