Siriel Mmbaga
Arusha
Summary
Accomplished professional specializing in project management and process optimization, with a strong track record in sales and collections management. Proven ability in pipeline oversight and customer retention strategies, alongside expertise in inventory and stock management. Experienced in procurement, vendor negotiations, and supply chain coordination, fostering effective cross-functional collaboration. Skilled in market research and analysis to inform competitive strategies and drive growth initiatives, with a focus on performance enhancement through training and coaching programs.
Overview
7
7
years of professional experience
6
6
years of post-secondary education
1
1
Certification
Work history
Business Transformation Senior Analyst
Sun King
01.2023 - 08.2025
- Led strategic projects that transformed business processes across sales, operations, and customer service.
- Implemented the Aiva Project in Tanzania, generating over $9,000 in incremental revenue.
- Generated insightful reports, aiding critical business decisions.
- Directed local and international market expansion initiatives to enhance brand presence.
- Designed process frameworks to ensure accountability and measurable performance improvements.
- Conducted market analysis and competitive intelligence to inform executive decision-making.
- Championed cross-functional collaboration among sales, training, and operations teams to achieve growth targets.
- Maximised resource utilization to achieve optimal outcomes on projects.
- Championed effective communication channels, maintaining transparency across departments.
- Streamlined workflow processes, resulting in increased productivity levels within the team.
- Managed cross-functional teams to ensure timely project completion.
- Ran training sessions and workshops on system processes.
Customer Service Executive
Sun King
01.2021 - 01.2023
- Collaborated with sales teams to drive collections and improve customer engagement.
- Developed and implemented sales plans, increasing customer base and revenue.
- Oversaw comprehensive customer issue resolution, ensuring satisfaction and reducing churn.
- Supported stock tracking processes to maintain timely product availability.
- Cultivated lasting relationships with regular customers to enhance brand loyalty.
- Provided precise information to customers, minimising returned orders.
- Enhanced brand reputation through exceptional telephone etiquette.
- Utilised extensive product knowledge to address customer inquiries effectively.
Lead Sales Officer
Agro AF Limited
01.2020 - 01.2021
- Directed sales operations, consistently achieving monthly sales and collections targets.
- Strengthened customer loyalty through proactive issue resolution and relationship management.
- Conducted market research and sales performance reviews to support data-driven decisions.
- Coordinated logistics and procurement for accurate stock levels and timely distribution.
- Implemented effective sales presentations to enhance product awareness.
- Developed new business opportunities via proactive prospecting and networking.
- Managed key accounts to improve customer retention.
- Delivered exceptional customer service to maximise client satisfaction.
Accounts & Procurement Officer
Dr Nicholas Nature Conservation
01.2019 - 01.2021
- Streamlined procurement and stock management, ensuring cost-effective purchasing and efficient distribution.
- Maintained accurate inventory and pricing records, minimising discrepancies and stock-outs.
- Negotiated vendor contracts to enhance supply chain efficiency and profitability.
- Managed budget preparation, cost analysis, and collections reconciliation.
- Developed supplier performance evaluation programme to elevate service quality.
- Coordinated purchase orders with internal teams for operational efficiency.
- Identified cost reduction opportunities through comprehensive market research.
- Secured favourable terms by negotiating contracts with suppliers.
Education
Master of Business Administration (MBA) -
Open University of Tanzania
Tanzania 01.2017 - 01.2020
B.A. - Language Studies
University of Dar es Salaam
01.2012 - 01.2015
Skills
- Project management
- Process optimization
- Sales and collections management
- Pipeline oversight
- Customer retention strategies
- Inventory and stock management
- Procurement and vendor negotiations
- Supply chain coordination
- Cross-functional collaboration
- Market research and analysis
- Competitive intelligence
- Growth initiatives leadership
- Training and coaching programs
- Performance monitoring and development
Certification
- Prosci Certified Change Practitioner, 2024
- Project Management Professional (PMP)
Custom
Available upon request
Languages
English
Fluent
Swahili
Proficient (C2)
Timeline
Business Transformation Senior Analyst
Sun King
01.2023 - 08.2025
Customer Service Executive
Sun King
01.2021 - 01.2023
Lead Sales Officer
Agro AF Limited
01.2020 - 01.2021
Accounts & Procurement Officer
Dr Nicholas Nature Conservation
01.2019 - 01.2021
Master of Business Administration (MBA) -
Open University of Tanzania
01.2017 - 01.2020
B.A. - Language Studies
University of Dar es Salaam
01.2012 - 01.2015
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