RAGUNATH GUNASEKARAN
AUSTIN,TX
Summary
Proven Dynamic Data & Applied Scientist at Microsoft Corporation driving Supply Chain Planning and Sustainability productivity through data insights, predictive analytics, optimization, and forecasting. Skilled in leading teams to improve data quality and advance business strategies.
Overview
16
16
years of professional experience
Work History
Senior Data Scientist - Supply Chain Eng
MICROSOFT CORPORATION
AUSTIN, TX
04.2022 - Current
- Identified opportunities for improvement by leveraging advanced analytics methods such as clustering or anomaly detection.
- Collaborated with stakeholders across departments to define business objectives and ensure alignment between data science outputs and organizational goals.
- Mentored junior team members in developing their technical skillset related to data science projects.
- Analyzed data from various sources to generate insights into Business pattern, behavior and segmentation.
- Built recommender systems based on collaborative filtering techniques with Apache Spark MLlib library.
- Implemented supervised and unsupervised learning algorithms such as random forest, KNN, SVM, logistic regression in Python and R environment for predictive analytics projects.
- Optimized existing machine learning models by tuning hyperparameters using grid search methods in Python and R environment.
- Developed and implemented supply chain planning strategies to reduce costs, improve customer service levels, and increase overall efficiency.
- Assisted Supply Chain Planning Manager with developing strategies for reducing excess inventory levels while maintaining customer service standards.
- Analyzed data from various sources including sales figures, customer feedback to identify trends in demand or supply chain issues.
- Identified cost savings opportunities within the supply chain management system.
- Analyzed data to identify trends in supply chain performance, suggesting improvements as needed.
- Evaluated existing systems used in order fulfillment process for any potential improvements or updates needed for better performance results overall within the departmental structure itself as well as outside entities involved in the supply chain network system too if applicable .
Data Architect
Wintrust Financial Corporation
Rosemont, IL
01.2021 - 04.2022
- Implemented Various ML and AI algorithms - Supervised and Unsupervised - Call Center call predictions, Sellers classification, Risk predictor, Self Service Power BI Reports and Dashboards, Salesforce Integration with Power BI Reporting.
- Designed and implemented experiments to test the efficacy of different marketing strategies.
- Created dashboards to monitor key performance indicators related to customer acquisition, retention, and engagement.
- Performed exploratory analysis on large datasets using SQL and Python libraries such as Pandas, NumPy, Scikit-Learn, and Matplotlib.
- Developed machine learning algorithms to predict customer churn rates.
- Provided technical support in deploying trained machine learning models into production environment.
- Used statistical software to analyze and process large data sets.
- Followed industry innovations and emerging trends through scientific articles, conference papers or self-directed research.
- Developed and maintained predictive models to identify customer segments for targeted marketing campaigns.
Senior BI/Data Analytics Developer
ADP
Deerfield, IL
09.2019 - 01.2021
- Created dashboards to monitor key performance indicators related to customer acquisition, retention, and engagement.
- Utilized natural language processing techniques to extract meaningful insights from unstructured text data.
- Developed machine learning algorithms to predict employee churn rates.
- Explored big data technologies like Hadoop MapReduce and Apache Spark for efficient data storage and processing of large datasets.
- Optimized existing machine learning models by tuning hyperparameters using grid search methods in Python and R environment.
- Prepared detailed documentation of the developed models along with the assumptions made during model development process and results achieved upon deployment of the model in production environment.
- Monitored inventory levels to ensure optimal stock availability and minimize excesses.
- Created detailed reports on forecasting accuracy and inventory analysis for management review.
- Coordinated transportation activities across multiple locations to optimize logistics operations.
- Developed key performance indicators related to supply chain operations that were used for tracking progress towards goals.
BI Architect (Senior Associate)
Cognizant Technology Solutions
West Des Moines, IA
08.2016 - 09.2019
- Provided technical guidance on best practices for BI architecture, design and development.
- Migrated existing legacy reports to the new BI environment, ensuring report accuracy and performance optimization.
- Worked closely with stakeholders at all levels of the organization to understand their requirements for reporting and analytics needs.
- Researched emerging trends in Business Intelligence technologies such as Artificial Intelligence or Machine Learning.
- Identified key performance indicators that enabled the organization to track progress towards strategic goals.
- Built predictive models using machine learning techniques such as regression, classification, clustering.
- Analyzed customer segmentation results to inform marketing campaigns.
- Worked closely with product teams to understand user behavior patterns across different platforms and devices.
- Evaluated the effectiveness of marketing campaigns by analyzing A and B testing results.
- Developed forecasting models based on historical sales data.
- Supported senior management in making informed decisions based on insights derived from analyses.
Team Lead (Data Analyst)
NTT Data Inc
Montpelier, VT
04.2009 - 08.2016
- Developed data pipeline architectures and ETL processes to transform, cleanse, and normalize large datasets.
- Identified data trends and insights from complex datasets using advanced analytics techniques such as regression analysis, predictive modeling, machine learning algorithms.
- Created dashboards and visualizations to present insights in a meaningful way for stakeholders.
- Collaborated with other teams to develop solutions that leverage the power of data-driven decision making.
- Established KPIs to measure performance of different initiatives and track progress towards goals.
- Developed custom tools for automating various tasks related to data collection and cleaning processes.
- Optimized query performance on SQL databases by restructuring queries and indexes where necessary.
- Used statistical software to analyze and process large data sets.
- Recommended data analysis tools to address business issues.
Education
Master of Science - Data Science
Bellevue University
Omaha, NEBachelor of Science - Electrical, Electronics And Communications Engineering
Anna University
IndiaProfessional Certificate - Sustainability
Massachusetts Institute of Technology
Cambridge, MASkills
- Statistics - regression analysis, time-series analysis, hypothesis testing, sampling techniques, quantitative research, multivariate analysis, A/B testing, simulation modeling
- Machine Learning: predictive modeling, machine learning algorithms, deep learning, linear classification, K-means clustering, RF, SVM, GAN, time-series analysis- Tsfresh, Kats, ARIMA, and reinforcement learning - Q-Learning
- Python, R - scikit-learn, XGBoost, NumPy, Pandas, PyTorch, TensorFlow, SciPy, NLTK, Seaborn, CV
- Supply Chain - Planning, Pattern Recognition, Path Identification, Operations Research, and Optimization Techniques
- Actionable data insights, KPIs, storytelling, strategy
- Data management, reporting, security, and governance, operational Excellence
Timeline
Senior Data Scientist - Supply Chain Eng
MICROSOFT CORPORATION
04.2022 - Current
Data Architect
Wintrust Financial Corporation
01.2021 - 04.2022
Senior BI/Data Analytics Developer
ADP
09.2019 - 01.2021
BI Architect (Senior Associate)
Cognizant Technology Solutions
08.2016 - 09.2019
Team Lead (Data Analyst)
NTT Data Inc
04.2009 - 08.2016
Master of Science - Data Science
Bellevue University
Bachelor of Science - Electrical, Electronics And Communications Engineering
Anna University
Professional Certificate - Sustainability
Massachusetts Institute of Technology
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