Ziyanda Ndabisa
Los Angeles,USA
Overview
9
9
years of professional experience
1
1
Certification
Work History
Consultant
Deloitte
Johannesburg, South Africa
06.2017 - 12.2023
- Formed part of the data analytics team as a meta data consultant to provide a taxonomy framework to improve data organisation and to ensure regulatory compliance
- Developed and implemented a comprehensive Data Taxonomy for the insurance sector by gathering business data, functional and non-functional requirements from stakeholders, resulting in the creation of a business requirements specification, functional requirements specification, and a requirements roadmap that increased data management efficiency by 30%
- Created standardized naming conventions and governance policies to improve reporting accuracy
- Delivered a unified framework that enhanced data quality, accessibility, and compliance with governance standards
- Improved the organization’s ability to track data lineage and manage sensitive information efficiently
- Fostered better collaboration, reduced time spent on reporting, and provided a consistent, structured foundation for decision-making
- Enabled teams to adopt clear standards for data organization, saving time and streamlining workflows
- Created customized PoPIA business process maps and process flows to guide multiple organizations in aligning their processes with regulatory requirements, leading to a 20% improvement in compliance adherence and serving as a central repository used in workshops to promote a collaborative approach to PoPIA compliance
- Conducted a Data Governance audit for a new digital bank, engaging with key stakeholders to produce governance documentation for each business unit and implementing controls to mitigate identified risks, reducing potential data governance risks by 50%
- Designed and executed major data integrity processes and identified audit scope risks, enhancing the bank's data governance framework and reducing compliance-related issues by 35%
- Supported a large-scale data migration by ensuring seamless extraction, transformation, and loading (ETL) of data from legacy systems to the new platform
- Extracted, cleaned, and transformed large datasets to align with the new system’s requirements, improving data quality and consistency
- Collaborated with cross-functional teams to define data mapping rules, ensuring accuracy during migration
- Developed scripts and automation tools to streamline data transformation processes, reducing manual effort and errors
- Provided documentation and reports on data trends, quality issues, and resolution strategies, enhancing decision-making for stakeholders
- Supported the project management team in the end-to-end data migration project
- Scheduled stakeholder meetings, tracked revenue to ensure the project remained within budget, and adhered to the agile migration plan
- Managed ad hoc tasks to support the project’s progress
- Led a data migration project using an agile approach by determining project objectives, collecting and documenting requirements, and driving activities to mitigate dependency risks, ensuring 100% of tasks were completed on time
- Coordinated resource allocation to ensure the optimal assignment of team members to roles, resulting in a 20% increase in overall team productivity
- Optimized project execution strategies by effectively managing the workflow across the team, leading to a 15% improvement in project delivery timelines
- Monitored and adhered to budget constraints by tracking expenses, creating invoices, and managing write-offs achieving divisional financial targets with a 10% cost saving
- Liaised with the product owner to oversee day-to-day operations, ensuring smooth execution of tasks and alignment with project goals, maintaining a 95% on-time task completion rate
- Implemented expense management processes and client invoicing systems, contributing to streamlined financial operations and a 100% accuracy rate in client billing
- Documenting and capturing the data lineage required to achieve Level 4 Risk Compliance at a Tier 1 bank
- Delivered a comprehensive data lineage visualized in Excel, which strengthened the bank’s risk model through enhanced metadata and risk data aggregation
- Improved the institution's ability to generate accurate and compliant business analysis reports, providing a robust framework for mitigating risk and addressing regulatory requirements
- Conducted interviews with various stakeholders to gather insights into their requirements and challenges
- Created clear and concise functional specification reports
- Performed system testing and validation by using data samples from relevant sources, inputting them into the system, and analyzing the results
- Developed reports using Power BI to visualize outcomes and insights
- Extended the internal audit continuous controls monitoring framework to include ESG controls and key performance metrics, enabling automated tracking, insights, and exception handling
- Collaborated with stakeholders across South Africa, Ghana, Peru, and Australia to design an ESG monitoring framework
- Merged insights from stakeholders to develop an ESG-focused audit automation solution
- Successfully modernized and enhanced Gold Fields' ESG auditing and controls monitoring capabilities
- Was assigned as a Research analyst to develop a business case for a digital product designed to identify news articles containing potential organizational risks
- Demonstrated strong research and communication skills by connecting with relevant stakeholders to gather key insights
- As part of the digital team, I gathered data from various source systems by requesting and managing restricted access to databases
- Using Power BI, I consolidated the information into a single view of the customer and created a visual report to capture the value chain comprehensively
Junior Consultant, Data Factory Graduate
Deloitte Risk Advisory
South Africa
06.2015 - 06.2017
- Formed part of a team responsible for the development of an Analytical Simulation Engine to optimize and validate financial calculations, specifically recalculating monthly payment amounts against a client-provided amortization schedule
- Gathered Client Requirements & Business Rules
- Met with the client to understand the specific business rules that govern the amortization process
- Collected data on loan terms, payment schedules, interest rates, and other relevant variables
- Imported the client-provided amortization table and validated the data to ensure there were no discrepancies or missing values
- Reviewed historical loan data to understand patterns and ensure compatibility with the new simulation model
- Developed algorithms to calculate monthly payments based on the gathered business rules (e.g., principal, interest rate, loan tenure)
- Successfully contributed to the design and development of a Dimensional Data Model as part of a Data Warehouse (DWH) Architecture for a credit portfolio
- Collaborated with stakeholders to gather business rules and created a comprehensive data dictionary to define key data elements
- Data profiling and remediation efforts achieved over 95% data accuracy, ensuring the reliability of inputs for the dimensional model
- Developed a dashboard capable of visualizing key profiling metrics (e.g., data validity, error rates) in real time
- As part of a key case study, I was introduced to Big Data analytics and gained hands-on experience with the Cloudera Stack to derive actionable insights and provide a comprehensive 360-degree business view
- In one of my key projects, I was tasked with developing a credit model using a combination of internal data from a major bank and external data from a credit union
- The model was evaluated against several performance metrics, including accuracy, precision, recall, and F1 score, with the target to achieve a 95% prediction accuracy
- The automated resource planning process led to a 50% reduction in administrative effort and allowed the Data Analytics team to focus more on high-value tasks rather than manual scheduling and allocation
Education
National Diploma - Human Resources Management
Tshwane University of Technology
01.2010
High school or equivalent -
Umtata High School
01.2005
Skills
- SQL
- Tableau
- QlikView
- Power BI
- UI Path
- SAS Enterprise
Certification
- Introduction to Business Analytics, Udemy, 11/01/24
- Foundation of Cyber Security, Coursera, 12/01/24, 04/30/25, In Progress
Projects
Diversity, Equity, and Inclusion (DE&I) Initiatives, Led the planning and execution of Unconscious Bias training sessions. Impact Committee, Organized a Career Day at underprivileged schools. Women's Forum, Contributed to creating a supportive environment for women. Business Analytics Community of Practice, Created and engaged internal newsletter to enhance team awareness.
Volunteer Experience
OLICO Maths Education, Volunteer, 06/01/18, 06/30/19, Compiled exam papers for Grade 10-12 students., Participated in Career Days.
Timeline
Consultant
Deloitte
06.2017 - 12.2023
Junior Consultant, Data Factory Graduate
Deloitte Risk Advisory
06.2015 - 06.2017
- Introduction to Business Analytics, Udemy, 11/01/24
- Foundation of Cyber Security, Coursera, 12/01/24, 04/30/25, In Progress
National Diploma - Human Resources Management
Tshwane University of Technology
High school or equivalent -
Umtata High School