Prabhakaran Kuppusamy is a Hadoop ecosystem specialist and cloud enthusiast who is currently working as a senior systems engineer and developer, Cloud and Infrastructure Services unit, at Infosys Limited. He is passionate about teaching and writing. He loves to play cricket during his leisure time. He joined Education & Research at Global Education Centre, Infosys, where he trained and evaluated thousands of freshmen in Java, Big Data, and cloud technologies. During his tenure in the Education & Research department, he provided training to students from Coventry University and to professionals from Costa Rica on Big Data and cloud technologies, such as Hadoop, MapReduce, Hive, Elastic MapReduce, Google App Engine, DynamoDB, and CloudStack.

Prabhakaran has a Bachelor of Engineering degree in Instrumentation and Control Engineering from Anna University. After completing his degree, he started providing workshops and training sessions on Big Data and cloud to several engineering colleges. He is an IBM Certified Cloud Computing Architect. He has more affinity towards private clouds and a greater working knowledge about them. Currently, he is working on MarkLogic, Storm, and XQuery. He keeps on trying new things, even if it burns his fingers. He loves to interact with students and teachers, and his Twitter handle is @prabhakar28dec.

Prabhakaran has also authored DynamoDB Applied Design Patterns, Packt Publishing.

Uchit Vyas is an IT industry veteran, a Cloud technologist at heart, and a hands-on Cloud automation lead at Opex Software, for Cloud automation and DevOps. He is responsible for the delivery of solutions, services, and product development. He explores new open source technologies and defines architecture, roadmaps, and best practices for enterprises. He has consulted and provided training on various tools and technologies, including Cloud computing, Big Data, Hadoop, ESB, infrastructure automation (Chef/Puppet/Ansible), Java-based portals, and CMS technologies to corporations around the world.

He has completed his engineering in computer science from Gujarat University. He worked as a senior associate at Infosys Limited in the Education and Research Team, during which time he worked on Big Data analytics, Cloud security, and virtualization.

He has also published books on Mule ESB, AWS Development Essentials, and AWS DynamoDB and continues to write books on open source technologies.

He hosts a blog named Cloud Magic World, where he posts tips and events about open source technologies mostly related to Cloud on cloudbyuchit.blogspot.com. His Twitter handle is @uchit_vyas.