Ernesto M. Mislej is a co-founder of 7Puentes and Chief Scientist of 7Puentes. 7Puentes was founded in 2007 specializes in Big Data and Data Science services and consulting. Our products and custom solutions are currently being used by top companies like Intel, Equifax, OSDE, Mercado Libre, Lemon Wallet and La Nación in areas such as recommendation systems, data-product design, text mining, web scrapping, image processing and data visualization.Our more important products are Menta, Batúa and Ventura:- Menta is a framework for developing Recommender Systems. It is supported by state-of-the-art machine learning algorithms and the Hadoop ecosystem.- Batúa is a intelligent Web Scraping and Information Extraction toolkit.- Ventura is a text analytics toolkit for Text Classification, Sentiment Analysis, Automatic Summary and Reporting.Ernesto is professor of Machine Learning and Data Mining at Buenos Aires University.Specialties: Data Science Research, Data Product Design, Big Data, Data Visualization, Machine Learning, Web Information Retrieval, Data Mining, Algoritmics, Graph Theory, GIS, Recommender Systems, Collaborative Filtering, Open Data, Open Goverment, Data Journalism, Teching.Programming language: Python, Ruby, R, JS & AJAX Frameworks, Java, Perl, Scripting langs.CHI Engineering: Web Design, Usability, Human Computer Interaction, User Centered Design.