Member of the Brazilian Center for International Relations (CEBRI)'s International Advisory Board, a leading Brazilian think tank, and of the Energy and Industry Transition Intelligence Program at the World Economic Forum. Clarissa is the founding partner of Catavento, and is a senior executive with extensive experience in strategy and sustainability. Her primary areas of expertise include the future of energy, climate change, decarbonization, and the transition to a low-carbon economy. Clarissa is a non-executive director at the Board of Directors of ArcelorMittal, chair of the Sustainability Committee and member of the Appointment, Remuneration and Corporate Governance Committee.

She is also a member of the Board of Directors of ISA EnergIa Brasil. Clarissa is a former CEO of IBP – the Oil and Gas industry association in Brazil. She served on the Board of Directors of Petrobras and chaired the HSE Committee, as well as on the Board of Vibra and Votorantim Cimentos. Clarissa is an economist by training.