About the Reviewers

Doug Ortiz is a Senior Big Data Architect at ByteCubed who has been architecting, developing, and integrating enterprise solutions throughout his whole career. Organizations that leverage his skillset have been able to rediscover and reuse their underutilized data via existing and emerging technologies such as Amazon Web Services, Microsoft Azure, Google Cloud, Microsoft BI stack, Hadoop, Spark, NoSQL databases, SharePoint along with related toolsets and technologies.

He is also, the founder of Illustris, LLC and can be reached at dougortiz@illustris.org

Interesting aspects of his profession include:

• Experience integrating multiple platforms and products
• Has Big Data, Data Science Certifications, R, and Python Certifications
• Helping organizations gain a deeper understanding and value of their current investments in data and existing resources turning them into useful sources of information
• Improving, salvaging and architecting projects by utilizing unique and innovative techniques
• Reviews regularly books on the topics of Amazon Web Services, Data Science, Machine Learning, R and Cloud Technologies

Hobbies:

• Yoga
• Scuba diving

Md. Mahmudul Hasan is currently serving as a Ph.D. researcher at Anglia Ruskin IT Research Institute (ARITI) at Anglia Ruskin University, UK. He worked as a senior lecturer in the department of CSE at Daffodil International University. He graduated from University of Essex, UK and specialized in games and mobile apps development in different platforms.

He has 6+ years of experiences in ICT industry including development to commercialize of small and large software. He is currently serving himself as a country Director and Chair of International Game Developers Association (IGDA) Bangladesh Chapter.

Mahmud's research interests include machine learning, data science, decision support system, and personalized learning through games and gamification. He has significant publications in peer-reviewed journals and conferences.