On 06 May 2020, the Vatican Press Office announced that the Holy Father, Francis, had appointed Bishop Amilton Manoel da Silva, Passionist, as bishop of the diocese of Guarapuava, Brazil. Until this time, Bishop da Silva had been auxiliary bishop of the archdiocese of Curitiba.

As a Passionist, the bishop was a member of the former CALV Province of Brazil (currently the GETH Province).

In the CALV Province he exercised the following ministries: director of postulants; master of novices; coordinator of the spirituality team of the CALV Province and the Passionist Family of Brazil; Provincial Consultor and Provincial Superior. In addition, he was counsellor of the Conference of Religious of Brazil (Regional of Paraná), parish vicar in Colombo-PR and Ponta Grossa-PR, and pastor of São Paulo da Cruz in the archdiocese of São Paulo. He was ordained bishop on 19 August 2017.