Freddy is a Senior Developer at Expedia. Always dealing with performance and usability he is always curious on how to make the overabundance of data useful for travelers, traders and consumers. Having worked with different technologies before has allowed him to come with solutions to rendering bottleneck problems. A Usability Guru, Freddy understands and bridges the concepts of high-throughput with usability within software.

He is also the author and maintainer of the javapubhouse.com, a podcast dedicated to tutorial topics in Java that covers everything from the use of the keyword volatile to the definition of beautiful code, also of javaoffheap.com, a java news podcast and he’s the current community leader for the Chicago Java Users Group.

Michael Minella is a software engineer, teacher, speaker, and author with over 15 years of enterprise development experience. He currently works for Pivotal as the project lead for the Spring Batch and Spring Cloud Task projects as well as an instructor at DePaul University. Michael has spoken on a number of java, Spring, and big data topics and is a JavaOne Rockstar. He was a member of the expert group for JSR-352 (java batch processing). Michael is the author of Pro Spring Batch from Apress and the popular Refcard JUnit and EasyMock.

Outside of the daily grind, Michael enjoys spending time with his family and enjoys woodworking, photography and InfoSec hobbies.

Bob Paulin is an independent consultant and speaker that has been developing open source software for the past 10 years. He’s presented at large international conferences such as ApacheCon, JavaOne and local user groups such as CJUG (Chicago Java Users Group). Bob is actively involved in the Chicago developer community as the CJUG President and Devoxx4Kids Chicagoland Organizer. As a passionate open source advocate Bob donates his off cycles to Apache Felix project as a committer. During his on cycles Bob helps his clients perform modular development/design, automation for continuous delivery, and build forward leaning web applications. When not coding, Bob enjoys coaching football, robotics, and spending time with his wife and 3 kids.