After helping the congregation in San Miguel de Allende, Rubén and his family served as pioneers in the town of Guanajuato, in central Mexico, where they helped to form an English - language congregation of more than 30 publishers.
Pärast seda, kui Rubén ja tema pere olid aidanud San Miguel de Allende kogudust, teenisid nad edasi pioneeridena Mehhiko keskosas Guanajuato linnas, kus nad aitasid rajada rohkem kui 30 kuulutajast koosneva ingliskeelse koguduse.