+ 91 8142708124 LinkedIn: https://in.linkedin.com/in/atanu-ray-26400472 Personal: ray.atanu9@gmail.com

Official: atanu.ray@karvy.com A self-motivated individual with 2.5 years of experience in analytics domain. Extensive knowledge of Data Science Techniques. An efficient, organized and approachable person with sound

employable knowledge and skills required to deliver high quality of service and satisfaction. Accuracy, and accountability – Excellent attention to details and well organized. Have ability to understand and prioritize the work in a challenging business environment, thereby is efficient to

successfully deliver results. Proficient in grasping new technical concepts and utilizing them in an effective manner. Always take any critical situation as a challenge. Flexible and able to accommodate the expertise to the company needs.

Work Experience

Company Role & Designation

IMRB International , Kolkata Analytics Executive Aug’14 – June’15

Icube Consultancy Service Pvt Ltd , Hyderabad Data Scientist - Solution July ’15 – Feb’16

KARVY Analytics Ltd. , Hyderabad Asst. Manager - Data Scientist Mar’16 - Till Date

Currently working with Income Tax Department (Risk Assessment), Government of India

SCHOLASTICS

Key Responsibilities

• Selecting features, building and optimizing classifiers using machine learning techniques

• Data mining using different plausible methods

• Extending company’s data with third party sources of information when needed

• Enhancing data collection procedures to include information that is relevant for building analytic

systems

• Processing, cleansing, and verifying the integrity of data used for analysis

• Doing ad-hoc analysis and presenting results in a clear manner

ATANU RAY

Permanent : 3/154, Mahajati Nagar, Agarpara, Kolkata-700109, WB, India

Present : Delhi

Projects

Multiple Regression Analysis: Fitting the data for 'Academic Performance Index 2000' for various elementary schools in different districts of California, US and check the goodness of fit. Responsibilities : Data Entry Errors, Missing Values, Outliers, Changes in Variability, Multi Co-Linearity , Heteroscadasticity, Goodness of fit, Unusual (asymmetric) distributions, Influential Observation. Tools Used: R, MINITAB, MS Excel Time Series Analysis & Regression Analysis: Time Series Analysis: 5 years ahead prediction (2012 - 2016) of abortion rates (per 1000 women) (1969 - 2011), England & Wales. Fit the data and check the goodness of fit for given various factors. Responsibilities :: Time Series : Trend Plot, Seasonality, Detrending, Stationarity, Model Selection & building (using acf & pacf plot),Prediction,Exponential Smoothing,Forecast,Inference about the 2 forecasting procedures, Choice of method by training test & forecast accuracy measures. Regression : Outliers, Influential Observations, Normality of residuals, Multi Co-Linearity , Heteroscedasticity , Goodness of fit. Tools Used: R, MINITAB, MS Excel Revenue Optimization – Hospitality Industry

Aim: Optimize the price for booking of rooms in Hotels. Analysis: Demand Curve Formulation depending on price, # rooms left, # rooms to be booked. Solution: Got forecast price value for future bookings and an estimate of the no of rooms that can be booked with that price according to the historical data. Tools Used: R, MS Excel Persistency modeling for life insurance

Aim: Find the pattern for lapsed policies Analysis: Lapsation modeling of customers for Life Insurance Solution: Insights on the patterns for lapsed policies Tools Used: R, MS Excel Risk Modeling for Life Insurance

Aim: Find segments for risk of the customers giving some scores. Analysis: Risk profiling of customers for Life Insurance Solution: Got patterns for risk categories Tools Used: R, MS Excel RFP – Tea Board of India Project

Aim: Find patterns of auction price, production and exports over different areas. Analysis: Forecasting of auction price and Significance Testing for finding relation b/w production and exports Tools Used: R, MS Excel RFP – MP Government Project

Aim: Find patterns of issues and solutions in CMHelpline Service. Analysis: Merging tables from different sources, finding trends of complaints and forecast of number of future

complaints for any particular department. Tools Used: SQL server, R Server, MS Excel Data Integration and analysis – Income Tax (Risk Assessment)

Creating database and report for primary analysis and giving insights from the bank transactions due to

demonetization in India 2016.

Tools Used: R, MS Excel, JMP

Training: Data Mining, Text Mining, Machine Learning, SQL, Python, Minitab, IBM SPSS (Dimension)

Software: R (4 years), Advanced Excel (4 years), SPSS (1 yr), Quantum, PSPP

Other Tools (Basic knowledge): Tableau

Expertise

Program Coordinator for R Training in KARVY AAA Certified Trainer for faculty skill development program in Machine Learning with R

PERSONAL DETAILS

Date Of Birth 15/02/1990 Gender Male

Father’s Name Mr. Arabinda Ray Status Single

Communication English, Hindi, Bengali Nationality Indian

ACHIEVEMENTS

Academic

• Scholarship for securing above 80 + % marks in ICSE by St. Xavier’s Institution, Kolkata.

• Scholarship for securing above 80 + % marks in ISC by St. Xavier’s Institution, Kolkata.

• Scholarship for securing above 60 + % marks in B.Sc. by WB Govt.

• Placement Coordinator of Calcutta University (Dept. of Statistics)

Extra-Curricular

• 2nd position holder in a Poster Competition on Statistics in a ‘National Level Seminar’ sponsored by

UGC & Ministry of Statistics, Govt. of WB.

• Various Position holder for singing.

Hobbies & Interest

• Singing

• Reading Magazines

• Watching Documentaries

Functional/Technical Knowledge • Model Validation

• Customer Acquisition/Churn predictions

• Clustering, segmentation and Machine learning, etc.

• Market Basket Analysis

• Price Elasticity

• Persistency Analytics & Risk Profiling

• Ensemble Learning

Industry Experience • E-Commerce

• Retail

• Entertainment

• Insurance

• Hospitality

• Government