Customer Sentiment Text Analytics
Summary
Developed and implemented a text analytics solution to derive customer sentiment from survey data using Natural Language Processing (NLP) techniques.
About
Highly analytical and results-driven Data Scientist with a strong foundation in operations research and a proven track record of leveraging advanced data analysis and machine learning to drive strategic decision-making. At Comair Ltd, I successfully developed key reporting solutions and deployed predictive models that significantly improved data accuracy and operational efficiency. Proficient in Python, R, SAS, SQL, Tableau, and Excel, I am adept at transforming complex data into actionable insights and fostering data literacy across organizations.
Work
Comair Ltd
|Reporting Specialist
Johannesburg, Gauteng, South Africa
→
Summary
Orchestrated comprehensive data reporting and analysis initiatives, enhancing data accuracy, streamlining processes, and delivering actionable insights that drove significant cost savings and operational improvements.
Highlights
Developed and deployed machine learning models using PyTorch and TensorFlow, achieving over 90% accuracy in predictive analytics for critical business functions.
Conducted in-depth data audits and analysis, identifying over R2M in cost savings opportunities through optimized processes and data-driven recommendations.
Streamlined data integration by connecting and integrating various source systems, reducing data integration time by 30% and improving data accuracy by 15%.
Designed and implemented robust data governance by creating and maintaining comprehensive data dictionaries, enhancing data accessibility and reliability by 40% and 22% respectively.
Diagnosed and resolved critical database and software issues, reducing system downtime by 60% and maintaining an average resolution time of 2 hours for production issues.
Delivered presentations and training sessions to over 100 employees, significantly improving organizational data literacy by 40% and fostering a data-driven culture.
Utilized advanced statistical techniques to interpret data trends and insights, enabling data-driven decisions for over 20 projects and providing early warning for 8 critical business issues.
Developed and tested ETL processes to ensure seamless data integration, reducing data integration errors by 40% and contributing to a 20% increase in team productivity.
Comair Ltd
|Junior Business Intelligence Analyst
Johannesburg, Gauteng, South Africa
→
Summary
Provided critical business intelligence support by analyzing extensive datasets, developing advanced models, and delivering actionable insights that improved operational efficiency and decision-making across various departments.
Highlights
Applied advanced statistical methods and modelling techniques to analyze data patterns, enabling data-driven decisions for over 15 projects and increasing model accuracy by 15%.
Generated over 50 custom reports per quarter, providing actionable insights from extensive datasets that supported over 75 data-driven decisions.
Collaborated with Information Management to extract and blend data from over 20 sources, reducing data collection time by 25% and ensuring a 98% data accuracy rate.
Contributed to the development of data models and algorithms, enhancing analytical capabilities by 30% and improving overall operational efficiency by 12%.
Assisted functional teams in model implementation and outcome monitoring, supporting over 10 cross-functional projects and contributing to a 5% reduction in operational costs.
Education
University of South Africa
Pretoria, Gauteng, South Africa
→
Bachelor of Science Honours
Operations Research
University of South Africa
Pretoria, Gauteng, South Africa
→
Bachelor of Science
Operations Research and Applied Mathematics
Languages
Xhosa
Zulu
English
Afrikaans
Tswana
Skills
Programming Languages
Python, R, SAS, SQL.
Data Tools & Platforms
Tableau, SAP, Excel, RStudio, PyTorch, TensorFlow, Scikit Learn, Pentaho, Alteryx, Microsoft Azure, JIRA.
Data Science Methodologies
Machine Learning, Natural Language Processing (NLP), Algorithms, Business Intelligence, Data Integration, Data Quality, ETL, Database Management, Predictive Analytics, Statistical Methods, Operations Research, Data Modeling, Data Governance, Data Visualization, Reporting.
Professional & Interpersonal Skills
Problem-Solving, Strategic Thinking, Goal-Oriented, Creative Thinking, Teamwork, Leadership, Adaptability, Resilience, Cross-functional Collaboration, Stakeholder Management, Communication, Negotiation, Service Excellence, Customer Satisfaction, Professional Networking, Data Literacy Training.
References
Duduzile Thibedi
Vumatel, Contact: 0839589191
Norika Mahass
Absa Group, Contact: 0825846261
Nicole Naude
Comair Ltd, Contact: 0828056511
Projects
Advanced Passenger & Revenue Forecasting System
Summary
Designed and deployed machine learning models integrated with Tableau and R for highly accurate passenger and revenue forecasting.
Dynamic Price Optimization Model
Summary
Developed and implemented dynamic pricing models based on competitor analysis and demand patterns to optimize pricing strategies.
Predictive Fuel Price Hedging Model
Summary
Created and deployed predictive models to forecast fuel price fluctuations and advised on risk mitigation strategies to optimize procurement.