Lissy has been a Senior Associate of the Administrative Law Department in the Lima office since 2021, and was previously an Associate since September 2017. Before joining Garrigues, she was Legal Advisor of the Graña y Montero Group from 2014 to 2017, in where she came to work as Contractual Manager of the project "Improvement and expansion of response capacity in the outpatient cancer treatment at INEN".

Throughout her professional performance, Lissy has advised clients from both the public and private sectors, in matters related to administrative law, public procurement, private investment promotion processes, urban planning and matters, both public and private, related to construction -including the negotiation and review of EPC contracts-. In the development of her work, Lissy advises in areas of her expertise, advises on administrative procedures followed before various public entities and provides legal assitance to private companies in disciplinary proceedings followed before public entities. Likewise, she provides advice on everything related to contracts with the Peruvian State, from the public tenders -including procedures before the Public Procurement Court- and execution of contracts for the development of infrastructure projects in general, acquisition of goods and provision of services.

• Studied for a Master's Degree in Administrative Law and Market Regulation at the University of Piura (2022-2023).
• Specialized Program in Management of Collaborative Contracts in Construction, with Certification as Manager, by the Peruvian University of Applied Sciences - UPC (2021).
• Postgraduate in Structuring, Regulation and Experiences of Public Private Associations from the Universidad del Pacífico (2019).
• Postgraduate in Construction Law from the Peruvian University of Applied Sciences - UPC (2018).
• Lawyer from the University of Lima (2012).

• Member of the Lima Bar Association.
• Member of the Peruvian Society of Construction Law (SPDC).

Lissy has been recognized in different directories:

• Chambers & Partners 2026 considers her as "Associate to watch" en Public Law. Her clients report: "Lissy Vega Centeno is our strategic partner, and we highlight her empathy and availability. She considers all possible scenarios, and we have a lot of confidence in her criteria, knowledge and advice.”.
• Legal 500 in Public Law and Regulation mentioned her quoting her clients, who recognize her as a "capable attorney".

“The causality principle and the objective liability in public procurement”, in Public procurement: Comments on the new Peruvian regulatory framework, director: Juan Carlos Morón, Editorial Palestra, 2025. In co-authorship with Víctor Baca.