 Upon his return from the United States, Verano started a career as a business administrator, combined with his militancy in the Colombian Liberal Party.Between 1978 and 1984 Verano was appointed manager of "Cementos del Caribe", a Colombian cement company.In 1984 he was appointed general manager of the "Empresa Municipal de Teléfonos de Barranquilla", the local state owned telephone company of Barranquilla.