Marcelo Ochoa works at the system laboratory of Facultad de Ciencias Exactas of Universidad Nacional del Centro de la Provincia de Buenos Aires and is the CTO at Scotas. He has worked on several Oracle-related projects, such as translating Oracle manuals and multimedia CBTs. Since 2006, he has been part of an Oracle ACE program and was recently inducted into a Docker mentor program.

He has coauthored Oracle Database Programming using Java and Web Services by Digital Press and Professional XML Databases by Wrox Press. He has been a technical reviewer on several Packt Publishing books.

Krunal Patel has been working on the Liferay portal for 5+ years and has 9+ years of experience in enterprise application development using Java and Java EE. He has also executed enterprise CMS projects using Solr, Apache web server, and Apache Lucene. He has good experience in setup and configuration of servers (Solr, Tomcat, JBOSS, and Jenkins (CI)), performance tuning, LDAP integration, and so on. He has an ITIL Foundation certification in IT service management, Liferay 6.1 Developer certification, Brainbench Java 6 certification, and MongoDB for Java Developers certification.