Sebastião Afonso Viana Macedo Neves, better known as Tião Viana ( Rio Branco, February 9, 1961), is a

doctor Doctor, Doctors, The Doctor or The Doctors may refer to: Titles and occupations * Physician, a medical practitioner * Doctor (title), an academic title for the holder of a doctoral-level degree ** Doctorate ** List of doctoral degrees awarded b ...

and

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

ian

politician A politician is a person who participates in Public policy, policy-making processes, usually holding an elective position in government. Politicians represent the people, make decisions, and influence the formulation of public policy. The roles ...

. He was formerly Governor of Acre and is a member of the

Workers' Party Workers' Party is a name used by several political parties throughout the world. The name has been used by both organisations on the left and right of the political spectrum. It is currently used by followers of Marxism, Marxism–Leninism, Maoism ...

. He served as interim

President of the Senate President of the Senate is a title often given to the presiding officer of a senate. It corresponds to the Speaker (politics), speaker in some other assemblies. The senate president often ranks high in a jurisdiction's Order of succession, succes ...

in 2007.

References

External links

*
Home page of Tião Viana
1961 births Living people Governors of Acre (state) Members of the Federal Senate (Brazil) Presidents of the Federal Senate (Brazil) People from Rio Branco, Acre 20th-century Brazilian physicians Workers' Party (Brazil) politicians {{Brazil-Senator-stub