Srinath Perera (coauthor of the first edition of this book) is a senior software architect at WSO2 Inc., where he overlooks the overall WSO2 platform architecture with the CTO. He also serves as a research scientist at Lanka Software Foundation and teaches as a member of the visiting faculty at Department of Computer Science and Engineering, University of Moratuwa. He is a cofounder of Apache Axis2 open source project, and he has been involved with the Apache Web Service project since 2002 and is a member of Apache Software foundation and Apache Web Service project PMC. Srinath is also a committer of Apache open source projects Axis, Axis2, and Geronimo.

Srinath received his PhD and MSc in computer science from Indiana University, Bloomington, USA, and his bachelor of science in computer science and engineering from University of Moratuwa, Sri Lanka.

Srinath has authored many technical and peer-reviewed research articles; more details can be found on his website. He is also a frequent speaker at technical venues.

Srinath has worked with large-scale distributed systems for a long time. He closely works with big data technologies such as Hadoop and Cassandra daily. He also teaches a parallel programming graduate class at University of Moratuwa, which is primarily based on Hadoop.