Carolina Ariza > Ariza & Marin > MEDELLÍN, Colombia > Lawyer Profile

Ariza & Marin
CALLE 7 SUR #42-70

Work Department

Dispute Resolution, Public Law and Projects




Lawyer, Master’s degree in public law from the University Panthéon-Sorbonne Paris 1, with specialization studies in tax law and civil liability and 12 years of experience in litigation and consulting in public law and civil and state liability. In 2018 she was considered by Dinero magazine as one of the most recognized lawyers in Colombia in the field of conflict resolution. She is an Associate Judge of the Administrative Court of Antioquia and a professor at the Universidad EAFIT.

She is noted for her skill in handling complex negotiations and high impact litigation. She is the concessionaire’s attorney within the concession contract under the Public-Private Partnership scheme of the Antioquia-Bolivar road, in two legal proceedings in which the final layout of the road project will be defined, as well as its financial stability. Represents the interests of various taxpayers in judicial proceedings where the legality of the substantial collections for valorisation purposes is analyzed. She intervenes as a proxy in various judicial and administrative expropriation processes.

She provides legal advice on the execution of various infrastructure contracts such as road concessions and public works, as well as consulting, design and auditing contracts. Since 2011 she is a legal advisor to the contractor (Spanish and Korean companies) in charge of the construction of the largest wastewater treatment plant of its kind in Colombia, which she successfully represented before the Dispute Board achieving a favourable decision of the financial disputes for COP 75,704,419,912 – EU 15,351,199 – USD 13,363,867. In the energy sector, closed a transaction concerning the contract for the construction, assembly, testing and commissioning of 500 kV transmission lines in 81 km (Medellin-San Marcos, Valle del Cauca) and currently she is legal counsel to various energy sector companies.

Her efficiency in closing transactions has allowed her to design and implement legal solutions to resolve issues of great social and economic significance. It is worth mentioning the agreement closed with Banco Colpatria and Acción Fiduciaria, on behalf of 44 buyers, which allowed the completion of a real estate project that could finally be completed and occupied in 2018. She has been empowered in dozens of processes for the effectiveness of the legal guarantee, being in progress today the processes initiated on behalf of two different Horizontal Properties conformed by 478 housing units, and 248 apartments, the latter was evacuated since October 24, 2019, due to risk of collapse.

She defends civil servants and former civil servants and engineering and architecture professionals before the respective disciplinary bodies. In this field, she defended the engineers linked to the CDO group, on the occasion of the partial collapse and implosion of one of its buildings and the evacuation of three others. She successfully defended the former Secretary of Security of the municipality of Medellín and is currently defending the former Secretary General (e) of the Medellín Metro, both of whom are being investigated by the Medellín Prosecutor’s office.


English, french and spanish


Lawyer degree: Eafit University, 2006
Master degree in public law: University Panthéon-Sorbonne Paris 1, 2007
Specialization studies in tax law: UPB University, 2011
Specialization studies in civil liability: Eafit University, 2018

Lawyer Rankings

Colombia > City focus > Medellín

Ariza & Marinspecialises in matters concerning the city of Medellín’, according to sources; alongside its local focus, it also demonstrates increasing activity on behalf of national and international clients. Indeed, the firm’s single-site model has proved no barrier to growth, and it added clients across all of its key practice areas during 2022/23, including major names such as AkzoNobel, Grupo Argos, and Proing. The firm is arguably best known for its projects and public law teams, both of which are co-led by Carolina Ariza, who is recommended for her strong skill sets in negotiations and complex disputes, including arbitration; she is advising ICPB on the construction of a new government and administration centre in the municipality of Caldas. Camilo Marín co-heads the projects department, and additionally co-heads the dispute resolution group alongside Ariza; he is advising Consortium Redes Fonseca 2022 on a contract for the optimisation of the aqueduct system of the municipality of Fonseca. Other key contacts include senior associate Luis Felipe Estrada, who spearheads the insurance practice; and senior associate María Paz Restrepo, who joined in November 2022 from the Administrative Court of Antioquia to co-head the public law unit. Senior associate Nicolás López Ochoa left to study abroad in April 2023.

Colombia > Dispute resolution > Litigation

Medellín-based Ariza & Marin’s strong orientation towards projects and public law-related matters is reflected in its dispute resolution practice, which stands out for its representation of infrastructure clients. The ‘very studious and skilled’ team regularly appears before administrative, civil, and labour courts, while it also has experience in representing clients before Colombia’s key regulatory bodies. Name partners Camilo Marin and Carolina Ariza jointly co-lead the department — both have experience in arbitral and judicial proceedings. Senior associate and litigation coordinator Tomás Cuartas Orrego is also noted.

Colombia > Projects

Ariza & Marin has a strong record in advising construction companies on project development and contentious work, with a particular focus on matters in and around its home city of Medellín. The group’s infrastructure expertise spans a wide range of areas, including roads, energy, aqueducts, sanitation, and government buildings, and it counts both domestic and international names among its clients. The department is led jointly by Camilo Marín, who specialises in project development and arbitral proceedings; and Carolina Ariza, whose practice focuses on administrative law and civil liability.

Colombia > Public law

Ariza & Marin’s public law team is distinguished by its ‘commitment to client requirements’. The group’s orientation towards contentious work translates into a practice that is particularly active in disputes concerning government contracts, expropriation, state liability, class actions, and disciplinary and fiscal actions, among other matters. Department co-head Carolina Ariza has extensive experience in public law-related disputes, both arbitral and judicial. Fellow co-head, and senior associate, María Paz Restrepo is also recommended; she joined the team in November 2022 from the Administrative Court of Antioquia.