Alonso de Reyes-Lanfranco

Senior Associate

Alonso has been a member of the firm since 2010. He represents clients in different areas of practice, with special emphasis and experience working on M&A and finance transactions, where he advises important national and international companies in structuring, negotiating and closing cross-border deals. Alonso’s practice also includes corporate, securities and labor matters.

In 2015, Alonso was an active part of the team that advised Bayer AG in connection with the Colombian part of the global spinoff of Bayer’s Material Science business and subsequent IPO in Germany. This IPO was qualified as Germany’s largest IPO in more than eight years and the share price rose as much as 12.5% on the first day of trading.

In the same year, he counselled Société Générale, Sucursal en España in defining the guarantee structure and drafting and negotiating the security agreement and legal opinions associated with the amendment and extension of a multicurrency facilities agreement with a Spanish company as borrower for an amount equal to approximately EUR 900 million.

Alonso advised Vetra Exploración y Producción Colombia S.A.S., a major Colombian exploration and production company, in the restructuring of a syndicated credit agreement for and an amount equal to USD 200 million, along with the structuring and implementation of the corresponding guarantee package. As part of his M&A practice, Alonso worked on the acquisition process of the Colombian company Gráficas Los Andes S.A.S. by the Colombian subsidiary of Austrian Mayr-Melnhof Packaging International, one of the largest producers of coated cardboard and folding cartons. He also advised this company on the acquisition of Carvajal Empaques.

Additionally, in 2013 at Muñoz Tamayo & Asociados, Alonso advised Iron Mountain, world leader in information storage and management, on the acquisition of the Colombian subsidiaries of British security giant G4S (a US$ 53 million transaction).

Practice areas


Master (LLM) with specializationin International Business Law and International Financial Law, King’s College London (2017).

Law Degree, Universidad Externado de Colombia, Bogota, Colombia (2013).


  • Spanish
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  • English
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  • French

Muñoz Tamayo y Asociados