Skanda Bhargav is an engineering graduate from Visvesvaraya Technological University (VTU) in Belgaum, Karnataka, India. He did his major in computer science engineering. He is a Cloudera-certified developer in Apache Hadoop. His interests are big data and Hadoop.

He is the author of the book Troubleshooting Ubuntu Server, Packt Publishing. He has been a reviewer for the following books and videos:

Manoj Kumar holds a degree of bachelor of technology in mining and machinery engineering from the Indian School of Mines, an executive MBA degree in finance and operations from ICFAI and is certified in data science from the Johns Hopkins University. He has over 13 years of work experience in mining, cement, and other industries in multiple countries. Currently, he is working as a subject matter expert and data scientist for Cyient Insights, a data science division of Cyient Ltd. He uses part of data science to perform statistical analysis on domain-specific data (such as sensor and other high frequency, structured and unstructured both, and so on). In order to arrive at conclusions that add value to the business and help in decision making, he focuses on the development and application of high-end mathematical modeling/algorithm of big data, generated by industries (for example, mining and manufacturing).

Rajesh S is a management professional and graduate in computer science. He has over a decade of experience in retail MNCs. His skills include data analysis and its presentation.

He has a website that helps, guides, and enriches a lot of professionals who vouch for his excellent coaching through his "Excelhours", a personal coaching program (Microsoft Excel).

Kimberly J. E. Williamson is a home-grown data analyst with experience in financial and budget analysis, business tax management, commercial lease analysis, and administration, among other areas. Having built a reputation for proactively learning whatever is needed to excel in her business or personal projects, she loves diving into data and wrangling it into an intelligent form as well as creating best practice processes for the creation, management, and usability of data.

Kimberly often self-contracts financial or data analysis work through her own company, Strategic Resource Development, LLC, and financially manages this company as well as her husband's company, Sophos, LLC, which owns rental properties. She has worked in a diverse array of environments, such as nonprofit, medical property management, the private loan market, banking, engineering, project management, and so on.

Although this is the first time she has been formally asked to provide a technical review, in the past she has contributed heavily to the creation and editing of complex in-house accounting and data management procedural guides for commercial lease management.