A civil engineer graduated from the Federal University of Paraná, postgraduate in Hydraulic Engineering from the Polytechnic School of the University of São Paulo, with a specialization in Financial Administration from the Getúlio Vargas Foundation (FGV). He was the president of the Brazilian Association of Sanitary and Environmental Engineering - ABES - São Paulo Section, in the biennials 2013/15 and 2015/17 and is currently the National President of ABES. He was the president of the 29th ABES Congress. He was a member of the Thematic Commission of the World Water Forum 2018, held in Brazil. He was president, as a representative of ABES, of the Guidance Council of Arsesp, a São Paulo regulatory agency for sanitation services. He is the superintendent director of COBRAPE - Cia. Brasileira de Projetos e Empreendimentos.

She is graduated in Social Communication at UNESP; specialized in Management and Marketing at FGV, IMI and ESPM; She has an MBA in Market Research, Media and Opinion at ESPM and develops research in Sociology of Emotions at Work  at USPUniversity; Storytelling at ESPM; Innovation (environment, people and processes) at IEC and Management of the Relationship and Strategy at Kellogg USA; MBA in School Management at USP. Coach graduation and post graduation from ICI - Integrated Coaching Institute and Jyväskylä Polytechnic School - Finland. She holds an MBA Behavioral Economics at ESPM. 19 years of experience simultaneously in the areas of Strategy and Customer Relationship in large and medium size in the financial, services, utilities and technology segments. She has eight years of expeirence in public policies on sustainability, education, health, electricity and sanitation. She is a professor in Undergraduate, Graduate and Executive MBA courses in the areas of Strategy and Innovation, Market Research, Information Management and Customer Management.

Marina is the coordinator of Corporate Social Responsibility at Aegea Saneamento, a company that operates in the water and sanitation sector in 49 municipalities in Brazil. Graduated in International Relations at PUC-SP, post-graduated in Management of Social Projects, at the same university, Marina has more than ten years of experience in the social area, especially in education and relationship with communities.

She is the coordinator of the ABES Thematic Chamber of Rural Sanitation. She is a civil engineer from the School of Engineering of the Federal University of Minas Gerais, with a specialization in Sanitary Engineering. At Copasa - Companhia de Saneamento de Minas Gerais, she dedicated herself for 34 years to the sanitation of small communities, having held from 2006 to 2015 the position of coordinator of Strategic Projects for Rural Sanitation Programs. She was the company's representative on the Health Services Waste Management Support Commission (Municipal) and in several Councils and Committees of the State of Minas Gerais, such as the Management Committee for Coexistence with Drought, State Health Council, State Council for Regional Development and Urban Policy. She has been a member of the Brazilian Association of Sanitary and Environmental Engineering since 1974 and was the president of the Minas Gerais Section in the biennium 2015/2017. She has been coordinating the Thematic Chamber of Rural Sanitation of the Association since 2008.