Maisa Sales Gama Tobias graduated in Civil Engineering from the University of the Amazon (1988) and in Mathematics from the Federal University of Pará (1988), with a specialization in River Transport Management (1992), a Master’s degree in Civil Engineering (1990), and a Ph.D. in Transportation Engineering (2000). They completed postdoctoral studies in Territorial and Urban Planning (2010) and in Industrial and Systems Engineering (2020), both at the University of Minho. They are a full Professor of Civil and Naval Engineering at the Federal University of Pará since 1996. They served as Superintendent of Urban Mobility in Belém (2013-2016) and currently coordinate projects in Logistics, Urban Transport, Waterway Transport, and Transport Economics. They have experience in teaching, research, and consulting in Transportation Engineering. They participate in editorial committees of scientific journals and author of books on urban mobility and waterway transport. They are the CNPQ research leader in Mobility and Sustainable Development in the Amazon and in Investment Appraisal Studies of Transport Systems.