Ms. Bettelli has more than 20 years of experience in the fields of international law, environmental law and sustainable development. Working as a diplomat, she was the lead negotiator for the Colombian government in multilateral climate change, biodiversity and the movement of hazardous wastes negotiations. She headed the Climate Change Office of the Colombian Ministry of the Environment and was responsible for setting national policies on climate change and representing the Colombian government in climate change meetings.

She also worked for the United Nations as Senior Economic Affairs Officer in the New York Office of the UN Regional Commissions. In that capacity she actively participated in high-level UN task forces on climate change and on the implementation of the Millennium Development Goals (MDGs). More recently, she provided strategic guidance to the UN Regional Commissions on their positioning in the context of the 2030 Sustainable Development Agenda.

Ms. Bettelli also has experience working for the private sector as Environmental Markets Director for ICAP Securities in Colombia, as an analyst and consultant for the Andean Center for Environmental Economics (CAEMA), and as an ENB writer and Outreach and Fund Development Officer for the International Institute of Sustainable Development (IISD). She has published articles on sustainable development in Colombia and in publications of the New York Bar association. Ms. Bettelli also taught International Environmental Law at Universidad de los Andes’ Law School.

Ms. Bettelli currently works as an independent consultant in the fields of international law, environmental law and sustainable development. She is an attorney admitted to practice in New York, New Jersey and Colombia and currently teaches legal writing for non-J.D. students as adjunct professor at Fordham Law School. She actively volunteers in the Parent Education committee of Dwight-Englewood School and became involved in the COVIDEA initiative during the pandemic.