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@nolusindisontwana
Data analyst and data scientist driving actionable insights and revenue optimisation.
I am a results-driven Data Analyst and Data Scientist with over seven years of experience applying mathematical and statistical modeling, machine learning techniques, and process optimisation to deliver measurable business impact.
I have built and deployed revenue optimisation and scenario models that aligned with large revenue targets and improved capacity utilisation, and I automated decision-support tools that accelerated forecasting and allocation decisions.
My work spans revenue assurance, churn reduction, large-scale forecasting, and research-based predictive modeling, including projects that produced multi-million-rand savings and informed operational planning in transport and healthcare.
I teach postgraduate operations research, hold an MSc in Industrial Engineering, and am proficient in Python, R, SQL, PowerBI and related data tools — I bring a pragmatic, stakeholder-focused approach to turning data into reliable decisions.
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Work history, roles, and key accomplishments
Travelopia Holdings
Oct 2024 - Present (1 year 1 month)
Built and deployed an intelligent revenue optimisation model aligning supply and demand to an £850m revenue target, improved margin management (45.89% target) and tracked a £11m weekly revenue stream via PowerBI dashboards.
University of the Witwatersrand
Jan 2021 - Present (4 years 10 months)
Lectured operations research methods to 45 postgraduate students, emphasizing real-world applications and optimization techniques.
Tracker Connect (Pty) Ltd
Jul 2023 - Jul 2024 (1 year)
Reduced churn-related revenue loss by 10% through customer behavior models, ensured R300k daily sales reporting alignment for 1,300 contracts and allocated R3.1m monthly unallocated sales to correct accounts.
North West University
Apr 2023 - Jun 2023 (2 months)
Built predictive models to optimize nurse-to-patient ratios using survey data from 4,200 nurses, identifying a 30% decline in outcomes when staffing dropped below two registered nurses per shift.
Transnet Centre of Systems Engineering
Jan 2018 - Mar 2023 (5 years 2 months)
Developed mathematical and simulation models that improved Transnet Natal Corridor efficiency, delivering approximately R210m in combined cost and infrastructure savings and a 15% business performance improvement.
Degrees, certifications, and relevant coursework
Master of Science, Industrial Engineering
2022 - 2023
Completed a Master of Science in Industrial Engineering with research focused on optimization and capacity planning.
Postgraduate Diploma, Industrial Engineering
Completed a postgraduate qualification in Industrial Engineering building on engineering and modeling competencies.
Bachelor of Science, Mathematical Sciences
Earned a Bachelor of Science in Mathematical Sciences with coursework and training in mathematical and statistical modeling.
Software and tools used professionally
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