# Peter Garner-Winship

Chief Financial Officer

## Career chronology

- **Role since 2026-10-08: Marimaca Copper** — Chief Financial Officer. [Peter Garner Winship management page](<https://marimaca.com/peter-garner-winship/>) (Peter Garner-Winship biography); [CFO appointment](<https://asx.api.markitdigital.com/asx-research/1.0/file/2924-03146317-6A1348400>) (page 1, promotion effective 8 October 2026)

## Education and qualifications

### Reported education and credentials [garner_education]

Undated · issuer reported · low materiality

Issuer reports an Oxford music degree and ICAEW fellowship.

**Attribution:** Responsibility not applicable. The listed degrees and memberships have not been independently verified.

**Relevance:** Relevant to the individual’s stated role.

[Peter Garner Winship management page](<https://marimaca.com/peter-garner-winship/>) (biography)

## Personal achievements

### Relevant reported experience [garner_career]

Career to October 2026 · issuer reported · medium materiality

Marimaca says Garner-Winship spent 17 years at Anglo American, including as financial controller for Quellaveco through construction and transition into operations.

**Attribution:** Individual involvement documented. The role history is issuer-reported; individual contribution and employment dates are not fully independently established.

**Relevance:** Relevant to the present mining, financing, legal or project role.

[Peter Garner Winship management page](<https://marimaca.com/peter-garner-winship/>) (Peter Garner-Winship biography)

### Quellaveco financial-controller experience [garner_quellaveco]

Prior to March–October 2026 · issuer reported · medium materiality

Marimaca reports Garner-Winship helped establish the finance function for the US$5.5 billion Quellaveco project during construction and transition to operations. His appointment as Marimaca CFO was announced on 8 October 2026.

**Attribution:** Individual involvement documented. The issuer reports finance-function involvement; project outcomes cannot be attributed to him alone.

**Relevance:** Relevant to mine-build financial controls.

[CFO appointment](<https://asx.api.markitdigital.com/asx-research/1.0/file/2924-03146317-6A1348400>) (page 1)

## Suitability for the current role

### Role-fit assessment [garner_fit]

October 2026 · analyst inference · medium materiality

The reported background is relevant to chief financial officer, subject to the substantial limits of the available screening.

**Attribution:** Responsibility not applicable. Analyst judgment based on the cited roles; not a finding about character.

**Relevance:** Shows the evidence and uncertainty behind the team assessment.

[Peter Garner Winship management page](<https://marimaca.com/peter-garner-winship/>) (Peter Garner-Winship biography)

## Evidence gaps

- Independent verification of education, memberships and dates is incomplete.

- Full previous-employer outcomes and person-specific public court, regulatory, safety and environmental records have not been exhaustively reviewed.