Afroz Hussain is a data scientist by profession and is currently associated with a US-based data science and ML start-up, PredictifyMe. He has experience of working on many data science projects and has extensive experience of Python, scikit-learn, and text mining with NLTK. He has more than 10 years of programming and software development experience along with the experience of working on data analysis and business intelligence projects. He has acquired new skills in data science by taking online courses and taking part in Kaggle competitions.

Sujit Pal works at Elsevier Labs, which is a research and development group within the Reed-Elsevier PLC group. His interests are in the fields of information retrieval, distributed processing, ontology development, natural language processing, and machine learning. He is also interested in and writes code in Python, Scala, and Java. He combines his skills in these areas in order to help build new features or feature improvements for different products across the company. He believes in lifelong learning and blogs about his experiences at sujitpal.blogspot.com.

Kumar Raj serves as a data scientist II at Hewlett-Packard Software solutions in the research and development department, where he is responsible for developing the analytics layer for core HP software products. He is a graduate from Indian Institute of Technology, Kharagpur, and has more than 2 years of experience in various big data analytics domains, namely text analytics, web crawling and scraping, HR analytics, virtualization system performance optimization, and climate change forecasting.