Nelson Diaz Puerto

About
Nelson is a Policy Officer at the TPI Global Climate Transition Centre (TPI Centre).
The TPI Centre provides asset owners and managers with publicly available data on the climate performance of companies, banks and countries. Nelson contributes to assessing the world’s biggest banks in their alignment with the goals of the Paris Agreement.
Background
Nelson holds a BSc in Economics from Andes University in Bogotá, Colombia. Before joining the TPI Centre he worked at Transforma – CCADI. This role involved supporting the main actors of the Colombian financial system to transition to a low-carbon economy by providing assessments, recommendations and engaging with public officials. Nelson also worked in the Climate Change Unit at the Developed Bank of Latin America (CAF).
Research
Research interests
- Sustainable finance
- Climate risk management for financial institutions
- Net Zero target setting
- Task Force on Climate-Related Financial Disclosures
Publications

State of the banking transition 2025
The third edition of the TPI Centre's annual banking report, one of the flagship State of Transition trilogy31 Oct 2025