In general terms, Data Science is the extraction of knowledge from data.It employs techniques and theories drawn from many fields within the broad areas of mathematics, statistics, information theory and information technology, including signal processing, probability models, machine learning, statistical learning, computer programming, data engineering, pattern recognition and learning, visualization, predictive analytics, uncertainty modeling, data warehousing, data compression and high performance computing.
Here are Top 5 Indian Data Scientists who Matter:
D.J. PATIL
First U.S. Chief Data Scientist
Education
Applied Mathematics,
University of Maryland
College Park
Expertise
HPC,Statistical Techniques,Machine Learning Data Mining
Vertical
Government
PRABIR SINGH
Chief Data Scientist Singapore Govt
Education
Masters In Economics and Econometrics;ISI
Expertise
Game theotric market design,behavioral economics,and machine learning
Vertical
Government
SHASHI GODBOLE
Mumbai- Based
Data Scientist
Education
Mechanical Engineering from IIT Bombay
Expertise
Predictive analytics,data algorithm,R,Python
with Scikit-learn,SAS
Vertical
Varied
VIKAS AGARWAL
Senior Principal
Data Scientist, Oracle
Education
IIT,Delhi;Post-Doc,
from California Institute of Technology
Expertise
Al,Mathematical Modelling,Statistical design
and process control
Vertical
Information Technology
SARABJOT SINGH
Co-Founder & Chief Data Scientist,
Tatras Data (formerly Algorithmic Insight)
Education
Phd in Data Mining, Machine Learning, University
Of Ulster
Expertise
Data Mining,Developing Algorithm,
Machine Learning
Vertical
Human Resourcing
(Source: http://www.itnext.in/articles/1002982/10-indian-data-scientists-who-matter-slideshow#slide-0)