Rubén Martínez: Computer Engineer by UPM and Master in Data Science. Certified in Project Development with UML and Java by UPM, CEH, Cloudera Developer Training for Apache Hadoop and Apache Spark, Intro to Big Data with Apache Spark (Databricks) and others. I’ve worked as security auditor in StackOverflow as well as professor of the Postgraduate in Computer Security and Systems Hacking in the Polytechnic University School of Mataró or the online superior title of Computer Security and Hacking Systems Ethics of the URJC. Co-author of Ra-Ma hacking books such as Hacking and Web Page Security (MundoHacker), Hacking and Internet Security Ed. 2011, etc. I’m certified in Robot Programming with ROS (URJC). Currently working as Data Scientist in Datahack.