Ruben has a Graduation in Biological Science at State University of Goiás, Brazil, where he studied biology and ecology of aquatic insects, Cerrado’s avifauna and environmental education.
After his graduation, he left to Cabo Verde and worked on endemic bird conservation programs and on monitoring of migratory waterbirds and seabirds, before moving to Portugal to do a Master in Applied Ecology at University of Aveiro. During his master, he's worked on the impacts of dredging on the benthic communities in the port of Aveiro.
Then, he entered the private sector to work in a Portuguese tuna fishing company operating in Azores, Madeira, Cabo Verde and Angola.
Before joining the Secretariat of the Convention on Wetlands, he worked in BirdLife International as a instructor in the bycatch project with the aim to reduction of seabirds and turtles bycatch in industrial fisheries in 7 countries of West Africa (PRCM region).
During his free times, he likes to birdwatching, reading books and being in the nature.