Tirthankar Ghosh
Kolkata, India
Tirthankar Ghosh
Data Science
Category : Consulting and advisory
Data Science and Analytics leader with 25+ years of experience driving analytics-led
transformation across Telecom, BFSI, Government, and Consulting sectors. Proven track
record in building and scaling analytics practices, leading AI/ML initiatives, managing
cross-functional teams, and delivering measurable business impact including revenue
growth, cost optimization, and risk mitigation. Extensive experience engaging with CXO level
stakeholders across India, Middle East, and South Asia.
I will analyze your data to uncover patterns, drivers, anomalies, and actionable insights using proven statistical and data science techniques. You will receive a clean dataset, visual analysis, and a clear, business-ready report or presentation powered by clear insights and recommendations.
What my services Include
1. Data understanding and quality checks
2. Exploratory Data Analysis (EDA)
3. Diagnostic analysis to identify key drivers and relationships
4. Outlier detection and data issues identification such as missing values
5. Feature Engineering
6. Visualizations (charts, tables, summaries)
7. Insight-driven report or PowerPoint presentation
transformation across Telecom, BFSI, Government, and Consulting sectors. Proven track
record in building and scaling analytics practices, leading AI/ML initiatives, managing
cross-functional teams, and delivering measurable business impact including revenue
growth, cost optimization, and risk mitigation. Extensive experience engaging with CXO level
stakeholders across India, Middle East, and South Asia.
I will analyze your data to uncover patterns, drivers, anomalies, and actionable insights using proven statistical and data science techniques. You will receive a clean dataset, visual analysis, and a clear, business-ready report or presentation powered by clear insights and recommendations.
What my services Include
1. Data understanding and quality checks
2. Exploratory Data Analysis (EDA)
3. Diagnostic analysis to identify key drivers and relationships
4. Outlier detection and data issues identification such as missing values
5. Feature Engineering
6. Visualizations (charts, tables, summaries)
7. Insight-driven report or PowerPoint presentation
Portfolio
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
![Professional Data Quality, Cleaning & Matching for CRM / Excel Datasets]()
Professional Data Quality, Cleaning & Deduplication for CRM / Excel Datasets ======================================================== 1. Introduction ---------------- I help businesses clean, ...![ML Based Advanced Analytics]()
• Exploratory Data Analysis • Feature engineering and Data Preparation including transformations and variable selection • One Supervised or unsupervised modeling (classification or clustering or regre ...![EDA + Diagnostic Data Analysis]()
• Dataset up to 100,000 rows • EDA & summary statistics • Diagnostic analysis (driver analysis, correlations, segmentation logic) • Kay visualizations • Structured business report or presentat ...![Exploratory Data Analysis]()
• Dataset up to 100,000 rows • EDA & summary statistics • Key visualizations • Short insight summary Duration: 10 Working days Requirements: • Dataset (CSV / Excel / database extract) • Business c ...
1. Responsible Advanced Analytics project implementation activities using ML and Statistical methods in SAS tools
2. Business Development in the Middle East
3. Leading the AI/ML practice
2. Business Development in the Middle East
3. Leading the AI/ML practice
1.Responsible for practice development that includes Business Development, Sales and Revenue Management, Team
Management
2. Account/Project Management
3. Leading data driven strategic initiatives, Cognitive Data Management Strategy, Machine Learning Analytics CoE and
internal training
4. SME Analytics and Data Quality
5. Leading Data & Analytics for Telecom & BFSI sector and
6. Focus market - India, Middle East and Sri Lanka
Management
2. Account/Project Management
3. Leading data driven strategic initiatives, Cognitive Data Management Strategy, Machine Learning Analytics CoE and
internal training
4. SME Analytics and Data Quality
5. Leading Data & Analytics for Telecom & BFSI sector and
6. Focus market - India, Middle East and Sri Lanka
1. Was responsible for designing Advanced Analytics and Data Management based Solutions in India & Bangladesh
2. Was responsible for managing a team strength of 3 D&A professionals
3. Was responsible for building ML models on Churn, Cross Sell, and Up-Sell, Revenue Forecasting etc.
4. Delivered projects in USA, India and Bangladesh
2. Was responsible for managing a team strength of 3 D&A professionals
3. Was responsible for building ML models on Churn, Cross Sell, and Up-Sell, Revenue Forecasting etc.
4. Delivered projects in USA, India and Bangladesh
1. Led the primary and secondary research on requirements and the corresponding algorithm for a data quality product, DataGYM®
2. Led the setup and management of data centers in both USA and India.
3. Team building and mentoring
4. Led the market and data discovery initiatives for Brazil, Mexico, USA and India
2. Led the setup and management of data centers in both USA and India.
3. Team building and mentoring
4. Led the market and data discovery initiatives for Brazil, Mexico, USA and India
It was full time Post Graduate program in Statistics
It was a Graduate degree program in Statistics (major) and I also took Mathematics and Physics as minor subjects.
- 🇬🇧 English
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