[2] In 2011, along with Emanuel Rego he won the Swatch FIVB World Tour in Prague, Czech Republic.
[5] and the gold medal at the 2016 Summer Olympics in Rio alongside teammate Bruno Schmidt.
After the duo was still inferior to the "Country Quota" in Vitória, they landed ninth place at the Acapulco Open.
Together with Bernardo Romano, Alison got third in the 2007 Challenger tournament in Cyprus and reached the main draw in Åland.
After a fifth place in Dubai, Alison / Pedro won the Manama Open against the French Andy and Kevin Cès.
After a third place in Rome, they succeeded in Mysłowice and won the next tournament victory against the US duo Matthew Fuerbringer / Jennings.
At the Prague Open, they then succeeded in revenge, and in Beijing, they won the Grand Slam in the final against Brink / Reckermann.
After a fifth place in Stavanger, the new world champions continued their successful series with tournament victories in Gstaad (against Rogers / Dalhausser) and Moscow (against the Swiss Bellaguarda / Heuscher).
In October, Alison / Emanuel won in the final against Hernandez / Mussa from Venezuela, which earned them the gold medal at the Pan American Games in Guadalajara.
In Rome and Gstaad, both times, they won against the US duo Gibb / Rosenthal before they could prevail in Berlin against the same opponent.
At the World Championships in Stare Jabłonki, Alison / Emanuel reached the semifinals after six wins in a row and lost the final against Ricardo / Filho.
In 2014, Alison formed a new duo with Bruno Oscar Schmidt, with whom he won the South American Games in Santiago de Chile in March and made the final at the Fuzhou Open the Italians Nicolai / Lupo.
Subsequently, Alison / Bruno successively won the Gstaad Major and the Grand Slams in Yokohama, Long Beach, and Olsztyn.
At the beginning of the 2016 season, Alison / Bruno won the Vitória Open in the final against Nicolai / Lupo after fifth place in Rio de Janeiro.
In the finals of the Grand Slams in Moscow and Olsztyn, they lost against Nummerdor / Varenhorst and the Latvians Samoilovs / Šmēdiņš.
After they couldn't catch up with their previous successes on the World Tour anymore, Alison and Bruno split in May 2018.