Freddy is a Principal 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.

Bob Paulin is a software engineer at Datavolo and speaker that has been developing open source software for the past 20 years. Bob has presented at large international conferences such as ApacheCon, JavaOne and Devnexus. He frequently shares his knowledge and opinions on the Java Pub House and Java Off Heap podcasts. Bob is a passionate member of the ASF and Chicago Java User Group communities. When not coding, Bob enjoys coaching football, and spending time with his wife and 4 kids.