In 1991, he sailed a good and consistent regatta, won 10 out of the 11 races, and became Laser Junior World Champion in Scotland.

In 1995, he won the gold medal in the Pan American Games in Mar del Plata, and his first World Championship.

In this year, 1996, his greatest achievement: after a thrilling and controversial duel with Ben Ainslie (19, UK), he took the Olympic gold medal in Atlanta, in the Laser class.

[5] In 2000, after his fourth World Title, in Cancún, Mexico, there were high expectations that he would win gold in the Olympic Games, in Sydney.

In 2003, he became for the third time Pan American Games Champion, with gold in Santo Domingo, Dominican Republic.

[8] In August 2006, he and Prada won a silver medal at the Star European Championship against 93 boats in Neustadt, Germany, again behind Mendelblatt and Strube.

[13] To ensure another participation in the 2016 Summer Olympics hosted by Brazil in Rio de Janeiro, Scheidt returned to the Laser in 2013, right away winning the World Championship at the age of 40.

[17] On 25 October 2008, he married a Lithuanian sailor and Olympic silver medalist Gintarė Volungevičiūtė[18] in the Town Hall of Kaunas, Lithuania.