Teo Hayashi then spent three years on missions at the YWAM base in Hawaii, where he became convinced that his work should be aimed at college students, due to his own negative personal experience.

[2] In 2008, he abandoned his plans to remain in the United States and returned to Brazil, to serve as one of the pastors in his mother's church, Comunidade Monte Sião.

According to him, discussing his rejection of "hypergrace" (translated as attitudes alien to Christian conduct),[6] (...) relativism deconstructs and confuses the bases of faith and brings about the normalization of things that have always been absurd.

[6] After his participation in "The Call: Azusa Now", in 2016, Teo Hayashi became one of the organizers of "The Send" movement, preaching and mobilizing large masses of young people.

The global aspirations of its leadership probably explain this name change, which is highlighted on its official page welcoming the new name:[8] Since its foundation, the Monte Sião Church has had a calling that does not restrict this transformation to Brazil alone, but reaches out to nations and different cultures.