Carlos Estebes is the founder of Ehxioz (http://ehxioz.com/), a Los Angeles-based software development startup that specializes in developing modern web applications and utilizing the latest web development technologies and methodologies. He has over 10 years of web development experience and holds a B.Sc. in Computer Science from California State University, Los Angeles.

Carlos previously collaborated with Packt Publishing as a technical reviewer in the third edition of Learning jQuery and in jQuery Hotshot.

Tomer Gabel is a programming junkie and computer history aficionado. He's been around the block a few times before settling at Wix (http://www.wix.com) as a system architect. In the last couple of years, he's developed a major crush on Scala, promoting it within the Israeli software industry as part of JJTV (Java & JVM Tel-Aviv user group) and Underscore (Israeli Scala user group), and finally organizing the Scalapeño conference in July 2013.

Eric Le Goff is a senior Java developer and an open source evangelist. Located in Sophia-Antipolis, France, he has more than 15 years of experience in large-scale system designs and server-side development in both startups to established corporate Banking / Trading software, and more recently in Mobile Financial Services. A former board member of the OW2 consortium (an international open source community for infrastructure), he is also a Scala enthusiast certified with the "Functional Programming Principles in Scala" online course delivered by Martin Odersky (École Polytechnique Fédérale de Lausanne).

Steve Perkins is the author of Hibernate Search by Example, Packt Publishing (March 2013) and has over 15 years of experience working with Enterprise Java. He lives in Atlanta, GA, USA with his wife Amanda and their son Andrew. Steve currently works as an architect at BetterCloud, where he writes software for the Google cloud ecosystem. When he is not writing code, Steve plays the violin in a local community orchestra and enjoys working with music production software.

Erik Wallin holds an M.Sc. degree in Electrical Engineering and has worked as a software engineer since 2005, mostly on the Java platform. Clean and maintainable code is a great passion for Erik. He likes to use DDD and an expressive language such as Scala to accomplish this.

Erik is employed as an IT consultant at DevCode. He has previously worked for IBM, Nanoradio, and ACE Interactive.