Lui Riveglini is a Brazilian voice actor, radio host, and narrator with a career spanning several decades, beginning in the 1980s. He started in communications at a young age, working as a reporter and editor for a newspaper before being drawn to radio at 16 years old. His professional journey has since branched out to include a significant body of work in dubbing, audio description, and audio dramas.

In the realm of anime and animation dubbing for the Portuguese version, Riveglini is known for his work as the Narrator in the classic series Mazinger Z. His other credits in anime include roles in Dragon Ball Super, Dragon Ball Z: Resurrection 'F', Okko's Inn, and the critically acclaimed film Your Name. Beyond anime, his voice can be heard in the dubbing of various other productions, such as providing additional voices for the series Santa Inc..

A significant and recurring aspect of Riveglini's career is his work as a narrator in audio description, a service that makes visual media accessible to the blind and visually impaired. He was responsible for the audio description narration in the blockbuster film Avengers: Endgame. His expertise in this field was also recognized with a nomination for Best Narrator or Announcer at the 10th Oscar da Dublagem for his work on the audio description for the film Thunderbolts*, a nomination he shared with colleague Adriana Pissardini.

Riveglini has also been a prominent figure in the world of audio drama, frequently collaborating with the podcast Contador de Histórias. For this project, he has served as the narrator for several productions, including the original series Dias Digitais: Echo, an adaptation of Neil Gaiman's Odd and the Frost Giants, and a comedy skit for the Cinema com Rapadura podcast. These collaborations have seen him work alongside a consistent group of Brazilian voice actors, including Fabio Lucindo, Mauro Eduardo, and Nelson Machado.

Parallel to his voice acting and narration work, Riveglini maintains a robust career in radio. He is an experienced radio host who has worked at several major stations in São Paulo, including Bandeirantes and multiple stints at Transamérica. At Transamérica, he became well-known for hosting the entertainment program Transalouca. He describes radio as a "very addictive" medium and emphasizes the value of audio-only communication for fostering spontaneity and authenticity. His career is marked by a versatility that allows him to navigate between the structured timing of commercial narration, the interpretive depth of dubbing, and the personal, live connection of radio hosting.