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Marcello Fonseca is a seasoned professional with extensive experience in data engineering and management, currently serving as Senior Engineering Manager for Big Data at OLX Brasil since August 2016, and as Adjunct Professor at UERJ/ZO since April 2012. Fonseca has previously held roles such as Data Architect at Information Builders and Data Scientist/ML Engineer at NTT/COPPE/UFRJ, where expertise in data mining models and geospatial analysis was developed. With a rich academic background that includes a Ph.D. in High Performance Computing/Data Mining from Universidade Federal do Rio de Janeiro, a Master's degree in Finance from Pontifícia Universidade Católica do Rio de Janeiro, and a Chemical Engineering degree from Universidade Federal Fluminense, Fonseca’s qualifications are complemented by substantial teaching experience in database analytics and Oracle courses.