Bill, an athlete from Indaiatuba, Brazil, has made significant strides in Para swimming. He began swimming at age 10 and initially competed in non-disabled swimming competitions at the national level. In 2020, he transitioned to Para swimming after being classified with an intellectual impairment.

| Season | Event | Rank |
|---|---|---|
| 2020 | 100m Butterfly - S14 | G Gold |
| 2020 | 200m Freestyle - S14 | S Silver |
| 2020 | 200m Individual Medley - SM14 | S Silver |
| 2020 | 4x100m Freestyle Relay - S14 | B Bronze |
| 2020 | 100m Backstroke - S14 | 9 |
| 2020 | 100m Breaststroke - SB14 | 12 |
In 2020, Bill relocated from Belo Horizonte to Uberlandia to join the Para swimming team at Praia Clube. He expressed difficulties in paying attention and memorising things but continued to pursue his passion for swimming under the guidance of coach Alexandre Silva Vieira.
Bill's most memorable achievement is winning four medals at the 2020 Paralympic Games in Tokyo. This accomplishment marked a significant milestone in his career and showcased his dedication and talent in Para swimming.
In 2022, Bill became an ambassador for the International Sports Federation for Athletes with an Intellectual Impairment (VIRTUS). He aims to promote better communication about intellectual impairment and address misconceptions about the capacities of individuals with such impairments.
Bill cites US swimmer Caeleb Dressel as his hero and draws inspiration from his grandmother. These influences have played a crucial role in shaping his career and personal development.
Looking ahead, Bill aims to compete at the 2024 Paralympic Games in Paris. This goal reflects his ongoing commitment to excellence in Para swimming and his desire to continue representing Brazil on the international stage.
Bill's journey from competing against non-disabled swimmers to becoming a decorated Para swimmer highlights his resilience and determination. As he prepares for future competitions, he remains a prominent figure in the world of Para sports.
Bill, an athlete from Indaiatuba, Brazil, has made significant strides in Para swimming. He began swimming at age 10 and initially competed in non-disabled swimming competitions at the national level. In 2020, he transitioned to Para swimming after being classified with an intellectual impairment.