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2026-11-06

← CSC management

Full background report

Jaime Rivera

General Manager Santo Domingo

Career chronology

  • From 2026-07-01 through cutoff: Capstone Copper — General Manager Santo Domingo. Second Quarter 2026 Results (Management Additions)

Education and qualifications

Role history and reported qualifications

through October 2026 · issuer reported · medium materiality

Capstone reports his appointment to Mantos Blancos in October 2023 and transfer to Santo Domingo from July 2026, following roles at Codelco and BHP.

Attribution: Responsibility not applicable. Positions and education are reported by issuers; independent credential verification is incomplete.

Relevance: Relevant role history, with limits on dates and credential verification.

Third Quarter 2023 Results (Management Additions); Second Quarter 2026 Results (Management Additions)

Environmental record

Mantos Blancos regulatory process remains ongoing

2022–October 2026 · documented · high materiality

Chile’s SMA rejected Mantos Copper’s proposed compliance plan in August 2024 within a proceeding opened in 2022. Capstone reports that the operator appealed the rejection but later withdrew that appeal. The SMA register listed the proceeding ongoing when checked at the cutoff.

Attribution: Role overlaps event; causation unproven. Rivera became Mantos Blancos general manager on 17 October 2023, after the proceeding began. The operator’s submissions are recorded separately; the reviewed sources do not establish his personal fault.

Relevance: Relevant to environmental and governance oversight, without inferring wrongdoing.

SMA rejects Mantos Copper compliance plan (13 August 2024 rejection); Mantos Blancos enforcement file D-064-2022 (D-064-2022 status and documents); 2025 sustainability report, filed copy (Business Integrity, regulatory proceedings); Third Quarter 2023 Results (Management Additions, Jaime Rivera appointment)

Governance and interests

Signed company response to Mantos Blancos proceeding

August–September 2024 · documented · medium materiality

Rivera signed Mantos Copper’s 2024 written defense seeking dismissal of the regulator charges or a lesser sanction. This is the operator’s submission; the regulator’s rejection and ongoing case are described separately.

Attribution: Individual involvement documented. His documented action is signing submissions on behalf of the operator; that does not establish responsibility for underlying alleged noncompliance or validate the company’s defense.

Relevance: Directly documented regulator engagement relevant to environmental oversight.

Mantos Copper written defense, D-064-2022 (pp.1 and 82, position and signature)

Evidence gaps

  • Independent identity, career and credential verification remains incomplete.

  • Targeted searches do not establish absence of adverse records or exhaust applicable court, regulatory and local-language sources.

  • The prior per-person topic search log could not be verified against retained execution records. Topic coverage and absence of adverse records are not established.

  • The separate notice said to describe continuing controls could not be independently reviewed during audit.