Ms. Pia-Comella started her career in 1996 as a diplomat representing Andorra at the United Nations, Canada and the United States, she was part of the team that created the foreign policy of her country. Ms. Pia-Comella was appointed Deputy Permanent Representative of Andorra to the United Nations in 2002 and served as chargé d’affaires a.i./Chief of Mission to Canada and the United States from 2001 to 2007.

From January 2008 to July 2018, she served in different capacities for civil society organizations including the Center for Women’s Global Leadership and Women’s Environment and Development Organization whose GEAR campaign led to the creation of UN Women.

From June 2019 to August 2021, she served as adviser on gender, peace and security and multilinguism for the Organisation Internationale de la Francophonie. From August 2018 to December 2024, she consulted with the Global Action Against Mass Atrocity Crimes in various capacities to advice on strategic planning, outreach, gender mainstreaming and fundraising.

Currently, Ms. Pia-Comella serves as an independent member of the United Nations Committee on the Elimination of Discrimination Against Women (CEDAW 2025-2028). Ms. Pia-Comella is an adjunct lecturer at John Jay College of Criminal Justice; adjunct assistant professor at Hofstra University. She is a faculty member of the United Nations Institute for Training and Research (UNITAR) and a trainer for the Organisation Internationale de la Francophonie and the Université Senghor on multilateralism and the Agenda “Women, peace and Security”.

Ms. Pia-Comella is a board member and treasurer of Global Justice Center. Additionally, she is a member of the Women Network on the Responsibility to Protect, Peace and Security of the British Academy for the humanities and social sciences of Leeds University. She is also a visiting scholar at the Center for International Human Rights of John Jay College and an associate editor for the Human Rights Review.

Ms. Pia-Comella has written on the role of women in preventing mass atrocity crimes and justice for conflict-related sexual and gender-based violence.

Ms. Pia-Comella holds a Master’s Degree in International Political Economy and Development from Fordham University, New York and a Bachelor’s Degree in Economics from Fribourg University, Switzerland. Ms. Pia-Comella is fluent in English, French, Spanish and Catalan.