James Rwegoshora
Mwanza
Summary
Strategic Mining Engineer (MBA) with a proven track record in commercial expansion, driving over USD 30 million in annual revenue through strategic account management and exceptional relationship-building. Expert in drilling and blasting, leveraging data science to identify growth opportunities and enhance customer retention by 25%. Committed to delivering results and optimizing performance.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Chief Sales Engineer
Solar Mining Services
Dar Es Salaam
11.2022 - Current
- Manage a portfolio of over 40 key mining accounts across East and Central Africa.
- Acquire 10–15 new clients annually, contributing to over USD 30 million in yearly revenue.
- Identify 15 to 20 strategic growth opportunities per year in drilling and blasting services.
- Generate 120+ high-quality leads yearly, with a 40%+ conversion rate.
- Achieve 15–20% year-over-year growth through renewals and upselling.
- Maintain sales forecast accuracy above 90%.
- Submit 20–40 competitive bid proposals per year through targeted market analysis.
- Increase customer retention by 25% through consistent service and relationship management.
- Provide technical support to 10–20 active mine sites.
Technical Sales Engineer
Orica, North Mara Gold Mine
Mara
03.2022 - 10.2022
- Boosted customer productivity by 20% at mine sites using advanced digital drilling and blasting solutions (BlastIQ, EBS, SHOTPlus).
- Resolved 30+ complex technical issues annually, enhancing safety and reducing downtime.
- Maintained 100% compliance with product quality standards for open pit and underground operations.
- Analyzed 100+ blast designs yearly, optimizing performance and cutting operational costs by 15%.
- Managed 10+ technical blasting projects, delivering over $2M in value through efficiency improvements.
- Prepared monthly technical reports to support data-driven decisions and continuous improvement.
Site Supervisor
Orica, Geita Gold Mine
Geita
07.2020 - 03.2022
- Managed drilling and blasting accounts for Geita Gold Mine, for both open-pit and underground operations.
- Supported client production targets by delivering bulk products and services to more than five sites.
- Maintained equipment uptime at 98% by overseeing plant and machinery maintenance.
- Conducted 12 or more site audits annually, ensuring 100% regulatory and policy compliance.
- Assisted in budgeting and resource planning, optimizing capital expenditure and staffing.
- Reduced inventory costs by 20% through effective stock management and rotation.
- Led and motivated a team of 20 or more employees, enhancing performance and customer service while maintaining safety standards.
Technical Sales Engineer
RHAB Mining Supplies Company Limited
Dar Es Salaam
07.2019 - 07.2020
- Maintained strong relationships with key stakeholders to enhance service delivery.
- Provided customers with product demonstrations, training and technical support.
- Conducted customer needs assessments to identify potential areas of improvement.
- Developed pricing models based on competitive analysis of similar products in the mining industry.
- Identified target markets and created marketing campaigns to reach them.
- Collaborated with other departments such as operations, finance and marketing to ensure successful implementation of sales initiatives.
Quarry and Crushers Supervisor
Heidelberg Cement
Dar Es Salaam
05.2017 - 06.2019
- Supervised daily operations in the cement production facility.
- Coordinated maintenance activities to ensure equipment reliability and performance.
- Implemented process improvements to enhance workflow efficiency and safety measures.
- Assisted in inventory management to maintain adequate supply levels for operations.
- Directed and supervised team of 15 employees in daily operations.
Mining Engineer Intern
AngloGold Ashanti, Geita Gold Mine
East Africa
03.2016 - 05.2016
- Designed efficient drilling and blasting plans to optimize gold extraction and reduce dilution.
- Analyzed data from drilling operations to improve extraction strategies and methodologies.
- Maintained accurate records related to daily production levels at the mine site.
- Ensured compliance with all safety regulations in the mining industry.
Education
Master of Business Administration - Corporate Management
Institute of Accountancy Arusha
Tanzania01-2024
Bachelor of Science - Mining Engineering
The University of Dodoma
Tanzania01-2016
Skills
- Mining production
- Drilling and Blasting
- Sales and Marketing
- Account Management
- MS Office Suite
- SAP
- Data Science
Accomplishments
- Won a number of new mining projects and tenders, which helped to increase the revenue by $4M per annum
- Completed multiple cost-saving projects and value-adding projects for clients that resulted in longer customer relationships
- Mobilized a smooth start-up of the new open pit project, Nyamillima, at AngloGold Ashanti, Geita Gold Mine, until production ramp-up in April 2021
- Led the team to achieve customer blast demand, and earned recognition from upper management (Orica-Geita, 2021)
- Consistently maintained high customer satisfaction ratings
REFERENCES
- Alex, Katalyeba, Drill and Blast Superintendent, akatalyeba@anglogoldashanti.com, +255 784 056 386, Geita Gold Mining Limited, Geita, Tanzania
- Jimmy, Jumba, Territory Manager (retired), jimmy.bunyu@gmail.com, +255 685 662 303, Orica Tanzania Ltd, Dar es Salaam, Tanzania
- Rayson Nkya, Managing Director, raysonnkya@gmail.com, +255 764 762 111, RHAB Mining Supplies Company Ltd, Dar es Salaam, Tanzania
Certification
- Registered Member, ISEE (International Society of Explosives Engineer).
- Mining Engineer, Engineer's Registration Board, ERB Tanzania.
- Registered Member, TIME (Tanzania Institute of Mining Engineers).
- Registered Member, TMSA (Tanzania Marketing Science Association).
- Valid Passport and Driving License.
- Valid Blasting License.
- Electronic Blasting System Training (Orica, 2021).
- Basic Data Science-Regensys, 2025
LANGUAGES
English
Proficient (C2)
C2
Swahili
Native
Native
Timeline
Chief Sales Engineer
Solar Mining Services
11.2022 - Current
Technical Sales Engineer
Orica, North Mara Gold Mine
03.2022 - 10.2022
Site Supervisor
Orica, Geita Gold Mine
07.2020 - 03.2022
Technical Sales Engineer
RHAB Mining Supplies Company Limited
07.2019 - 07.2020
Quarry and Crushers Supervisor
Heidelberg Cement
05.2017 - 06.2019
Mining Engineer Intern
AngloGold Ashanti, Geita Gold Mine
03.2016 - 05.2016
Master of Business Administration - Corporate Management
Institute of Accountancy Arusha
Bachelor of Science - Mining Engineering
The University of Dodoma
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