Freddy Guime is the Director of Client Technology at OptionsCity Software, Inc. in Downtown Chicago. As one of the first employees, Freddy has advanced the Options Trading Client platform by pushing Java Swing to its limits. With two JavaOne presentations under his belt, he has been instrumental in making sure OptionsCity software can keep up with more than five thousand exchange messages per-second in real-time. Also a usability guru, Freddy understands and bridges the concepts of high-throughput with usability within OptionsCity's software. Freddy is currently working in many projects, but occasionally posts within the OptionsCity blog: http://www.optionscity.com/blog.