Lakshmi Narasimhan is a full stack developer who has been working on big data and search since the early days of Lucene and was a part of the search team at Ask.com. He is a big advocate of open source and regularly contributes and consults on various technologies, most notably Drupal and technologies related to big data. Lakshmi is currently working as the curriculum designer for his own training company, http://www.readybrains.com. He blogs occasionally about his technical endeavors at http://www.lakshminp.com and can be contacted via his Twitter handle, @lakshminp.

Swapnil Salunkhe is a passionate software developer who is keenly interested in learning and implementing new technologies. He has a passion for functional programming, machine learning, and working with data. He has experience working in the finance and telecom domains.

Jenny (Xiao) Zhang is a technology professional in business analytics, KPIs, and big data. She helps businesses better manage, measure, report, and analyze data to answer critical business questions and drive business growth. She is an expert in SaaS business and had experience in a variety of industry domains such as telecom, oil and gas, and finance. She has written a number of blog posts at http://jennyxiaozhang.com on big data, Hadoop, and YARN. She also actively uses Twitter at @smallnaruto to share insights on big data and analytics.