# Pascal Van Osta
Head of Exploration
## Career chronology
- **Current at 9 October 2026: Altair Minerals Limited** — Head of Exploration. [Corporate]() (Board & Management / Guyana Strategic Leadership Team)
- **From April 2021; end date not established: Roscan Gold Corporation** — Vice-President, Exploration. [Roscan Gold announces senior management changes]() (appointment); [Management and Technical Advisors]() (management bio)
- **May 2018–June 2019: Komet Resources / Morila Gold Mine** — Exploration Manager. [Roscan Gold announces senior management changes]() (career biography)
- **Prior to Komet; exact dates not stated: Sandspring Resources / Toroparu** — Exploration Manager. [Roscan Gold announces senior management changes]() (career biography)
- **Dates not stated: Etruscan Resources and Endeavour Mining** — Exploration roles, West Africa. [Roscan Gold announces senior management changes]() (career biography)
## Education and qualifications
### Geological and mineralogical science qualification [pascal_education]
Prior to 2021 · issuer reported · medium materiality
Roscan’s dated executive biography reports an Honours Master in Geological and Mineralogical Sciences from Free University Brussels and more than 30 years’ experience; exact full employment chronology is incomplete.
**Attribution:** Responsibility not applicable. Employer biography supports stated qualification; degree was not independently verified.
**Relevance:** Directly relevant to Head of Exploration responsibilities.
[Roscan Gold announces senior management changes]() (biography and qualifications)
## Personal achievements
### Exploration leadership across multiple West African gold projects [pascal_discovery_experience]
Career before Sep 2025 · issuer reported · medium materiality
Roscan appointment profile describes Van Osta’s previous exploration work at Morila, Samira Hill, Agbaou and Toroparu and executive exploration roles at Etruscan/Endeavour. This documents project exposure but the opened sources do not isolate his individual discovery contribution or demonstrate mine operation delivery.
**Attribution:** Role overlaps event; causation unproven. Positions and project associations are reported; no specific personal causal discovery or production attribution is established.
**Relevance:** Relevant exploration leadership experience for ALR’s Guyana and South Australian programmes.
[Roscan Gold announces senior management changes]() (career history); [Appointment of Head of Exploration]() (appointment)
## Suitability for the current role
### Senior exploration experience aligns with exploration remit [pascal_van_osta_role_fit]
Current role · analyst inference · medium materiality
Analyst inference: 30+ years in exploration and prior West African project roles are relevant to exploration planning. Full dates and independently verified technical outcomes remain limited.
**Attribution:** Responsibility not applicable. No individual outcome beyond documented role history is inferred.
**Relevance:** High functional alignment to mineral exploration, with outcome and adverse history gaps.
[Roscan Gold announces senior management changes]() (career and education); [Appointment of Head of Exploration]() (appointment)
## Evidence gaps
- Prior project chronology is partial; precise employment dates before Komet and Roscan were not established.
- The reviewed company biographies do not independently validate technical discoveries or production outcomes personally attributable to Van Osta.
- Open-web adverse searches are not exhaustive employer safety, environmental, litigation, credential or sanctions checks.