In a decade marked by great transformations in the world and in Brazil, Celso reported on JN events such as the discovery and developments of AIDS, the Chernobyl nuclear accident (1986), the explosion of the Challenger spacecraft (1986), Diretas Já, the end of the military dictatorship, the election, agony and death of elected president Tancredo Neves, redemocratization and the promulgation of the Constitution.

[11] At Fantástico, Celso shared the presentation with several colleagues, such as Dóris Giesse, Carolina Ferraz, Paula Saldanha, William Bonner and Valéria Monteiro.

At the opening, Celso said: "Thus, the way he always lived, without fear of danger, on the way to a new victory, three-time champion Ayrton Senna da Silva met his death at the age of 34.

From then on, Celso began to share with Cid Moreira the voiceover for Fantástico's openings and special reports, such as the coverage of the Brazilian National Team's fifth FIFA World Cup conquest campaign and the election of Lula as president, in 2002.

He was the first big name in a wave of Globo professionals hired by Record with the aim of implementing a quality standard at the broadcaster and taking audience away from the competitor.

Domingo Espetacular, an 'electronic magazine' inspired by Fantástico, debuted on April 18, presented by Celso and Lorena Calábria and directed by Carlos Amorim.

[26] Over the course of almost two decades at the helm of the station's main news program, he formed duos with Adriana Araújo (2006-2009/2013- 2020), Ana Paula Padrão (2009–2013) and Christina Lemos (2020-).

[1][27] On the Jornal da Record bench, Celso was the voice of notable editions, such as the attacks by criminal factions in São Paulo (2006), the accidents with Gol planes (2006), TAM (2007) and Chapecoense (2016), the cases of Eloá and Isabela Nardoni (2008), the floods in Santa Catarina (2008), the election (2009) and holding (2016) of the Rio Olympic Games, the global financial crisis (2008), the natural disasters in Rio ( 2010), the violent attacks and police occupation of favelas in Rio (2010), the Realengo massacre (2011), the earthquake, tsunami and nuclear accident in Japan (2011), the fire at the Kiss nightclub (2013), the resignation of Pope Benedict XVI and the election of Pope Francis (2013), of the June protests in Brazil (2013), of Operation Lava-Jato (2014–2021), of the impeachment of Dilma Rousseff (2016), of the first Olympic gold of the Brazilian National Team Football (2016), the arrest of Luiz Inácio Lula da Silva (2018), the murder of Marielle Franco (2018), the truck drivers' strike in Brazil (2018), the deaths of friends and broadcaster colleagues Marcelo Rezende (2017), Paulo Henrique Amorim (2019) and Gugu Liberato (2019), the rise and fall of Donald Trump and Jair Bolsonaro, the attacks on the United States Capitol (2021) and the headquarters of the Three Powers of Brazil (2023), among others.

In the first months of 2020, he even reported in Jornal da Record the spread of a "mysterious virus"/"new coronavirus" throughout China, Europe and the United States, the first cases and deaths in Brazil, until the WHO declared the pandemic of COVID-19 in March, when Celso was removed from work because he was part of the risk group of people over 60 years of age.

[28] In parallel with Jornal da Record, since 2020, he presents JR 15 Minutos,[29] a podcast that addresses topics in depth, with the participation of a guest reporter and expert.