Zigurd Mednieks is a consultant to leading OEMs, enterprises, and entrepreneurial ventures creating Android-based systems and software. Previously he was Chief Architect at D2 Technologies, a voice-over-IP (VoIP) technology provider. There he lead engineering and product definition work for products that blended communication and social media in purpose-built embedded systems and on the Android platform. Laird Dornin is a mobile development architect with extensive experience in Java, Android, J2ME, SavaJe, and the webkit browser library. He was a member of the J2SE development team at Sun Microsystems specializing in java.rmi and Jini technology. Laird is currently a Senior Engineer at a major wireless carrier, where he provides Android architectural guidance and Network API support to members of the carrier's developer community. Blake Meike, Senior Software Development Engineer at Amazon, has more than 10 years of experience with Java. He's developed applications using most of the GUI toolkits and several of the Java mobile device platforms. With over a decade of software engineering experience, Masumi Nakamura has worked in various positions within the mobile technology arena, from building out mobile infrastructure to founding his own mobile company. He was one of the primary Android developers of the Where Android app and now is Principal Architect for the Big Data and Recommendations Group at Where, Inc. Outside of coding, he spends his time practicing Ba Gua Zhang and caring for his two cats.