Graduated in law at the School of Law and Social Sciences, Universidad de Buenos Aires, Buenos Aires, April 1981 and Member of Colegio Público de Abogados de la Capital Federal (Federal Capital Bar Association).
He worked in the National Judicial Branch from 1975 to 1988 and held the office of Clerk of Special First Instance Court in Civil and Commercial Matters No. 22 (nowadays Civil Court No. 52).
Mr. Colombres joined Fornieles & del Carril and in 1993 he became partner of the firm until its dissolution. He was founding partner of del Carril, Colombres, Vayo & Zavalía Lagos Law Firm. He was Associate Professor of Property Law and Procedural Law in the School of Law and Social Sciences, Universidad de Buenos Aires.
Head professor in the Master of Management of Construction and Real Estate Companies, Pontificia Universidad Católica Argentina.