MSI Latin America Local Members' Meeting

Denise Guillén Lara

Vice President, Legal and Integrity Leader, NielsenIQ

With over 30 year experience as a legal advisor to multinational companies and renowned law firms, Denise Guillén Lara participates in both local and regional projects in Latin America. She supports business units as a strategic partner to desing and implement different strategies providing legal adivice.

In her previous position at Nielsen, Denise Guillén Lara provided legal advice and strategic consulting on compliance and legal matters. Her duties included negotiating contracts, managing litigation and training and coordinating legal advisors. She is responsible for litigation in eighteen countries in Latin America and conducts compliance investigations in the region.

In 2022 she was listed in the GC Powerlist by the Legal 500 Mexico and in 2018 she was recognised as one of the in-house counsel who was driving the legal profession forward and from 2017 to 2019 she held the position of Honorary Counselor of the Consultative Council of the Instituto Nacional de Accso a la Informacion.

Juan Carlos Pérez Peña

Advisor – Aggressive Tax Planning, Organization for Economic Co-Operation and Development (OECD)

Juan Carlos Pérez Peña is an experienced International Tax Lawyer at the OECD and is responsible for the design of many of the rules of Pillar Two, which introduces a global minimum tax as part of the two-pillar solution to address the tax challenges arising from the digitalisation and globalisation of the economy. Previously in the Mexican Ministry of Finance, he was responsible for designing and drafting several tax provisions, including many provisions of the BEPS project. He is also a member of the tax treaty negotiation team.