About Retomining Investment Limited
Pioneering sustainable mining and operational excellence to deliver high-grade mineral solutions across Tanzania.
Mission, vision and core values
Our Mission
To pioneer a sustainable mining enterprise by leveraging cutting-edge technology, ethical investment, and operational excellence. We are committed to delivering customer satisfaction, ensuring employee welfare, protecting the environment, and empowering communities — balancing progress with responsibility.
Our Vision
To be Tanzania's most trusted mining partner — delivering sustainable excellence, superior value to customers, and transformative growth for employees and communities.
Our Core Values
Our overarching values are innovation, inspiration, and prosperity. • Innovation – Leveraging advanced technology for efficient and sustainable mining. • Inspiration – Fostering a motivated workforce and positive industry leadership. • Prosperity – Delivering shared value for stakeholders, communities, and Tanzania's economy.
Corporate Governance & Key Strengths
We uphold the highest standards of corporate governance, guided by a Board of Directors accountable to our shareholders to ensure compliance, transparency, and long-term value creation.
Diverse expertise
Teams spanning geology, mine engineering, environmental science, and business leadership.
See our servicesEstablished clientele
Proudly serving real estate developers, construction companies, manufacturers, government agencies, and foreign investors.
See our servicesManagement team
Mr. Revocatus Valery Kimario
Managing Director
Eng. Marco J. Mponeja
Manager, Engineering
CPA(T). Theresia Joachim Martin
Director of Finance And Administration
Mr. Paul Godfrey Marley
Director of Planning & Business Development
Mr. Thomas Eliuta Mgata
Director of Operations and Site Acquistion
Ms. Ritha Valerian Tarimo
Head of Human Resource & Staff Welfare
Ms. Blessing Samweli Nchamihingo
Head of Marketing
Advisory board of directors
Prof. Hendry Mahoo
Board Chairperson
Emeritus Professor in Irrigation Engineering (SUA) and former Chair of Tanzania's National Irrigation Commission Governing Board. Expert in infrastructure and water resource policy.
Mr. John Kanyika Mtaita
Board Member
Former Managing Director of Morogoro Water Authority. Specialist in infrastructure financing and large-scale public-sector project implementation.
Ms. Joyce Zakayo Richard
Board Member
Legal & Policy Expert. Seasoned lawyer specializing in regulatory compliance, corporate governance, and international trade law.
Ms. Mwanakey Abdallah Sharif
Board Member
Mining Industry Leader & Board Member of the Mining Association. Extractive sector and ESG compliance specialist.
Eng. Hamisi Hamadi Ndwata
Board Member
Engineering & Construction Specialist. Proven contractor and entrepreneur driving urban development initiatives.