Maceio was instituted as a member of the IRB federation in January 2013. Rev. Flávio Silva was installed as the first Brazilian minister of this church in mid 2013.
Cornerstone Canadian Reformed Church currently have one missionary, Rev. Bram deGraaf, who lives in the area with his family. The Board of Mission has supported Reformed ministry in Maceio since 1993.
Rev. de Graaf not only completed the project of planting this church, but is also heavily involved in the federation, serving as a church visitor and teaching regularly at the seminary Instituto João Calvino.