After helping the congregation in San Miguel de Allende, Rubn 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
येथे त्यांनी ३० पेक्षा अधिक प्रचारक असलेली इंग्रजी भाषिक मंडळी स्थापन होण्यास हातभार लावला.