DUNCAN MARSH
SENIOR DATA SCIENTIST
PROFILE
CONTACT
--Cape Town, South Africa
https://www.linkedin.com/
in/duncan-m-2536aa58/
SKILLS
Python
SQL
VBA
AWS Cloud Suite
Azure Cloud Suite
Power BI
Senior Data Scientist with over 8 years of expertise in data analytics, adept at
transforming complex data into actionable insights. Proven track record in leveraging
analytics to drive business decisions and optimise outcomes, with a focus on handson data analysis, modeling, and visualisation to solve real-world problems.
WORK EXPERIENCE
Principa (Hybrid)
Senior Data Scientist
Developed predictive models in credit analytics, utilising statistical techniques
to assess risk, improve credit scoring, and support decision-making, enhancing
portfolio performance.
(Datonomy Solutions) at Woolworths Holdings (Hybrid)
Conducted variable analysis across retail stores to apply K-means clustering for
efficient product assortment.
Leveraged AWS Athena, S3, CodeCommit, and SageMaker for data processing
and machine learning.
Built data pipelines and visualisations with AWS QuickSight.
access.mobile International (Remote)
Machine Learning
Data Scientist
Predictive Analytics
Computational Finance
LANGUAGES
English (Native)
Afrikaans (Conversational)
EDUCATION
BCom Economics - University of
South Africa
Meta Database Engineer
IBM Machine Learning
Professional
DataCamp Data Scientist with
Python
DataCamp Python Programmer
OCT 2022 - JUN 2023
Data Scientist
Tableau
Data Science
AUG 2023 - PRESENT
JAN 2022 - OCT 2022
Used querying and visualisation tools to analyse complex data sets.
Collaborated on quarterly roadmaps with stakeholders.
Extracted insights and presented findings to scientists and managers.
Improved business strategies through data analysis.
Applied statistical techniques to interpret data.
access.mobile International (Remote)
APR 2020 - JAN 2022
Data Analyst
Defined business rules and use cases from requirements analysis.
Resolved data flow issues and analysed trends in complex data sets.
Created Excel reports and visualisations to present insights to stakeholders.
Designed tools for value chain optimisation and used statistical methods for
business reports.
RCL Foods
AUG 2018 - JAN 2019
Data Analyst
Compiling of Sales Tracking spreadsheets and reports
Automation of various financial metrics related to the Beverages division of the
company
Utilisation of IRI Temple software to compile reports
Data cleaning and accessing data via the Financial Cube database
WORK EXPERIENCE
Olam International
APR 2017 - APR 2018
Commodity Analyst
Analysed market prices in Futures, FX and cash markets.
Produced daily market reports and price forecasts.
Used Reuters for price analysis and market insights.
Automated VBA/Excel processes to help traders spot opportunities.
Cambridge Food
DEC 2016 - APR 2017
Accounting Analyst
Integrated Oracle database and coded functions for accurate financial reporting
and cost analysis.
Analysed trends to predict customer behaviours and market actions.
Provided financial and sales reports to leadership, aligning objectives with
operations.
Ensured client confidentiality in all communications, adhering to standards.
AECOM
AUG 2015 - AUG 2016
Graduate Project Manager/Analyst
Developed forecasts and cost curves using Excel tools like Pivot Tables, Charts,
and VBA automation.
Assisted in resource allocation and Finance tasks through Excel macros and
functions.
Automated calculations for Bill of Quantities and cost assessments.
Created documentation to streamline organisational processes.
Programmed a VBA tool to automate cost collation and forecasting, reducing
report creation time from 5 hours to 5 minutes.
Developed a real-time system to track and update safety figures across the
organisation.
Calibre Global
Cost Controller
Forecasted project costs and manning hours.
Recorded and analysed timesheet variances.
Prepared monthly and flash reports on project progress.
Used CMS software for cost and time tracking.
Created cost curves in Excel to monitor project expenses.
Managed contracts, purchase orders, and invoices.
Prepared budgets, especially for scope changes.
Handled trend and change management.
Communicated with clients and suppliers to resolve issues.
JAN 2012 - DEC 2012