Azaz Desai has more than three years of experience in Mule ESB, jBPM, and Liferay technology. He is responsible for implementing, deploying, integrating, and optimizing services and business processes using ESB and BPM tools. He was a lead writer of Mule ESB Cookbook, Packt Publishing, and also played a vital role as a trainer on ESB. He currently provides training on Mule ESB to global clients. He has done various integrations of Mule ESB with Liferay, Alfresco, jBPM, and Drools. He was part of a key project on Mule ESB integration as a messaging system. He has worked on various web services and standards and frameworks such as CXF, AXIS, SOAP, and REST.

Ankit Jain holds a bachelor's degree in Computer Science Engineering from RGPV University, Bhopal, India. He has three years of experience in designing and architecting solutions for the Big Data domain and has been involved with several complex engagements. His technical strengths include Hadoop, Storm, S4, HBase, Hive, Sqoop, Flume, ElasticSearch, Machine Learning, Kafka, Spring, Java, and J2EE.

He also shares his thoughts on his personal blog at http://ankitasblogger.blogspot.in/. You can follow him on Twitter at @mynameisanky. He spends most of his time reading books and playing with different technologies. When not at work, Ankit spends time with his family and friends, watching movies, and playing games.

Mark Kerzner holds degrees in Law, Maths, and Computer Science. He has been designing software for many years and Hadoop-based systems since 2008. He is the President of SHMsoft, a provider of Hadoop applications for various verticals, and a cofounder of the Hadoop Illuminated training and consulting, as well as the coauthor of the Hadoop Illuminated open source book. He has authored and coauthored several books and patents.

Ruben Teijeiro is an experienced frontend and backend web developer who had worked with several PHP frameworks for over a decade. His expertise is focused now on Drupal, with which he had collaborated in the development of several projects for some important organizations such as UNICEF and Telefonica in Spain and Ericsson in Sweden.

As an active member of the Drupal community, you can find him contributing to Drupal core, helping and mentoring other contributors, and speaking at Drupal events around the world. He also loves to share all that he has learned by writing in his blog, http://drewpull.com.