User:Waltter Manoel da Silva wten
- Name: Waltter Manoel da Silva
- Birthday = 1952.04.22, in Itaberaí - State of Goiás, Brazil;
- Capitals I have lived in, abroad: Washington, D.C. (United States: 10 years), Peking (China), Manila (Filipinas), Helsinki (Finlândia) e Abu Dhabi ( Emirados Árabes Unidos: United Arab Emirates).
- Languages, besides Portuguese (a native speaker) : 1) English, fluency in speaking and writing; 2) French (Français); 3) Spanish (Español);
- Portuguese-grammar teacher for Brazilians, even though not professionally;
- English-grammar teacher as a foreign language, even though not professionally;
- Contributions at Wikimedia Foundation: