Tereza Helena Gabrielli Barreto Campello (born August 12, 1962) is a Brazilian economist graduated from the Federal University of Uberlândia and Doctor in Public Health from FioCruz.

She is international consultant on social development and social protection, visiting fellow in the Future Food Beacon of Excellence at University of Nottingham (UK) University of Nottingham (UK) and professor and research associate at the Oswaldo Cruz Foundation (FIOCRUZ, Brazil) Campello was born in Descalvado, in the state of São Paulo.

Her career in public administration began in Rio Grande do Sul, where she participated as coordinated the Office of Planning and Participatory Budgeting of the capital in the governments of Olivio Dutra and Tarso Genro, former mayors of Porto Alegre.

During the administration of the former President Lula da Silva (2003 - 2011), Ms. Campello participated in the coordination of the workgroup that created the Bolsa Família Programme, (Brazil's conditional cash transfer programme) and she was also the deputy advisor and coordinator of Articulation and Monitoring in the Executive Office of the President of Brazil, where she led top priority programmes in the area of development, such as the “Citizenship Territories”, Biodiesel and Ethanol Programs; the National Plan on Climate Change; and the Green Arch Effort (Mutirão Arco Verde), which made some public services, land regulation, and a sustainable development project available for the Amazon region.

In the period, she coordinated the design and implementation of the national policy to eradicate extreme poverty named “Brazil sem Miséria” (Brazil without Extreme Poverty), which contributed decisively for the elevation of 22 million people out of extreme poverty, She also coordinated the National Social Assistance Policy, the National Food Security Policy, the Bolsa Família Program, the Cistern Program.