From the field to the boardroom: 21 years in critical minerals.
Prudentia Mineralis is an independent advisory firm focused on critical minerals. It brings together mining engineering, international trade and executive experience at listed companies under one roof.
Sait Uysal
Mining executive with a 21-year international trade and mining career, focused on critical and battery raw materials (graphite, vanadium, titanium, manganese, nickel, rare earths) across ASX-listed and private companies.
Combines a mining engineering degree and UMREK/JORC Competent Person status with an international trade background, covering the full cycle from project development and due diligence to market entry, off-take negotiation and P&L responsibility. Most recently Chief Marketing Officer at Sierra Rutile; previously led global marketing for Syrah Resources’ Balama graphite project and for Mineral Commodities. Founder of Critical Minerals Initiative Türkiye.
Selected impact
Experience
Commercial responsibility for US$100M+ in sales and associated P&L. Turnaround of the global marketing function, new product blends and commercial routes for by-products including rare-earth concentrate (monazite).
Transactions and investments typically in the US$1–15M range: due diligence, valuation, negotiation, Board and investor recommendation. Development work on the Tethys Ocean (Mn-Ni-Co) and Amasis (Fe-Ti-V) projects and on graphite, antimony, rare-earth and lead-zinc projects.
Metal-recovery projects from slags and tailings, including the Gümüşköy polymetallic project (Pb, Zn, Ag, Au, Fe, Ga). Process-development programmes with UK and Canadian laboratories.
Global marketing with US$50M+ sales responsibility for a mineral sands and graphite producer. Due diligence, valuation and negotiation of the Skaland Graphite Mine acquisition, Norway.
Advanced the Balama Graphite and Vanadium Project (Mozambique) from early development to production. Anode-grade graphite development with Panasonic and Mitsubishi Chemical; vanadium for redox flow batteries with Sumitomo Electric.
Established and managed Turkish operations: project development, audits and commercialisation of ores and concentrates (Pb, Zn, Sb, Mn, graphite, Cu). Reviewed around 100 projects across Türkiye.
Earlier: Karabacak Mining (graphite and antimony), 2007 · Barsan Global Logistics, 2005–2007
Selected projects
Industry leadership & publications
Founder, Critical Minerals Initiative Türkiye
Türkiye’s first non-profit initiative dedicated to critical minerals, convening industry, academia, public institutions and international stakeholders.
Türkiye Critical Minerals Summit
Organised the inaugural summit: 250+ attendees and 35 speakers from 18 countries.
~20 talks, 10+ articles
Talks at local and international conferences; articles in sector publications on critical minerals, graphite and vanadium.
Chamber of Mining Engineers of Türkiye
Alternate board member, İzmir Branch. Former board member, Mining Engineers Professional Development Association.
Education & credentials
How we work
Verified sources
Findings trace back to primary documents, official data and field checks. Every claim in a report is referenced.
Independence
We take no positions in projects we assess. Our conclusions are not tied to deal outcomes.
Local depth, international language
Turkish-language sources, regulatory practice and institutional relationships, presented in a format international investors can use.