Financial Consumer Advocate: Attorneys at Law Ltd. Ustáriz Principal Defender: Jose Federico Gonzalez Ustáriz. Defensor Alternate: Luis Humberto Gonzalez Ustáriz. Address: Carrera. 10 No. 97A-13 Office Tower A 502 - Phone: (57) (1) 6421238 Fax: (57) (1) 6421239. Bogota-Colombia.