Mariano is a Chicago-based computer geek originally from Mexico. Over the last years, he has been working with big data technologies such as Hadoop, Cassandra, and Spark, just to mention a few. He has been using the JVM for more than 15 years, implementing multiple kinds of applications for different business fields (insurance, banking, trade shows, and recently IoT). He enjoys sharing his knowledge about JVM and its vast ecosystem with the Chicago tech community.