Sreedhar Vaddi has 4 years of experience in big data, 4 years in cloud computing, and 15 years in Java. His experience includes work in the fields of big data security, biomedical/healthcare, mobile security, financial services (wholesale, mortgage, investment, and brokerage), the Web (marketplace, crowdsourcing, and advertising), news and entertainment, property and casualty insurance, software product development, and scientific research.

He has hands-on experience as an architect working on enterprise mobile applications, Hadoop, SaaS, PaaS, IaaS, the cloud, rich enterprise applications, n-tier enterprise systems, Enterprise Application Integration (EAI) in web-enabling legacy systems, IBM Mainframe and SAP, and SOA web services with Java2 and JEE.

He has also worked in all phases of SDLC, namely designing, developing, performance testing, and implementing Web-2.0, Web-UI, server-side, middleware, and mobile applications. He has also worked with Big 5 Consulting and Fortune 100 companies. He has led teams of sizes varying from 2 to 80 across the globe in different time zones, cultures, and dialects.

He is an administrator of JEE containers (Geronimo, WebSphere, Weblogic, JBoss, and Tomcat) and CDH. He is also a technical consultant at a stealth mode start-up in animal care in the clinical trials industry. He is a diligent worker and quick learner with excellent problem solving, presentation, and mentoring skills.

Cheuk Yu is pursuing a bachelor's degree in electrical engineering at the University of California, Los Angeles (UCLA), with an emphasis on circuit and signal processing. He worked on multiple embedded systems projects using various microcontrollers such as Arduino, Teensy, and Raspberry Pi. As a student researcher for the ELFIN CubeSat Mission at UCLA, he also has hands-on experience working on printed circuit boards, including designing and testing avionics and ground support equipment boards. Besides work and study, he is also an amateur radio operator and astronomer.