Expertise:  I can answer questions about the grammar and history of the international auxiliary language Esperanto and also about my mother tongue, Portuguese. I can provide some translation from that languages, English and French.

Experience in the area
I speak Esperanto since 1988 and I write and publish articles, I regularly translate into and from that language and I use it also at familiar level, with my bilingual children. My mother tongue I speak since... ever! ;-)

Organizations
World Esperanto Association

Publications
"Esperanto", "Brazila Esperantisto", "La Lampiro", "La Verda Lupeo", "Hirundo Esperantista"

Education/Credentials
Applied and Computing Mathematics (1993), Data Processing (1987).