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2026-11-06
◂ Monitor KAU ASX

Kaiser Reef Limited

Producer · Gold · Australia Rating locked: sign in to view v6.2
Last 2026-11-06
A$0.15
1D
—
1M
—
YTD
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1Y
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Upside
Locked: sign in to view
Mkt cap
A$90.8M
EV
A$67.2M
Cash
A$37M
Debt
A$13.6M
4 newer ASX announcements not yet reflected in this valuation

People, delivery and responsibility

Management background checks

Evidence through 2026-10-09

Research assessment

Executive team

Rating locked: sign in to viewTeam rating and score are available to subscribers

Evidence coverage has been deepened with dated issuer filings and selected independent records. Career claims remain mostly issuer-reported, and open-web adverse checks are limited in scope; findings are attributed to individuals only where sources establish that link.

Decision-relevant facts

Material summary

Individual involvement and employer context shown separately

Brad Valiukas

Managing Director

Current
Personal SuccessIssuer Reported · Medium materiality

Relevant professional background and qualifications

Investor presentation describes mining engineer with 25 years’ operating, management and executive experience; multiple mine start-ups and rectifications.

Individual involvement documented · This is an issuer-published career summary; it is not independent verification of every claimed contribution.

Evidence gaps · 3
  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.
  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.
  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Full background report

Brad Valiukas

Managing Director

Career chronology

  • Dates not stated in the source: Northern Star Resources; Focus Minerals; Mincor Resources — Previously held professional positions as described by issuer. Investor Presentation – August 2025 (August 2025 investor presentation, Board and Management slide; later corporate directory confirms current role.)

  • Current at evidence cutoff: Kaiser Reef Limited — Managing Director. Investor Presentation – August 2025 (August 2025 investor presentation, Board and Management slide; later corporate directory confirms current role.)

Personal achievements

Relevant professional background and qualifications

Previous career / current appointment; exact periods only where stated · issuer reported · medium materiality

Investor presentation describes mining engineer with 25 years’ operating, management and executive experience; multiple mine start-ups and rectifications.

Attribution: Individual involvement documented. This is an issuer-published career summary; it is not independent verification of every claimed contribution.

Relevance: The disclosed roles and qualifications bear on the executive’s managing director responsibilities.

Investor Presentation – August 2025 (Board slide)

Suitability for the current role

Current role relevance is supported at title level

At evidence cutoff · analyst inference · medium materiality

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Attribution: Responsibility not applicable. This is an analytical role-fit judgment, not a claim of proven performance.

Relevance: Current role scope is directly relevant to team composition; evidence of delivery remains limited.

Investor Presentation – August 2025 (August 2025 investor presentation, Board and Management slide; later corporate directory confirms current role.)

Evidence gaps

  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.

  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.

  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Stewart Howe

Executive Director

Current
Personal SuccessIssuer Reported · Medium materiality

Relevant professional background and qualifications

Investor presentation describes 40+ years in resources; CDO at Zinifex, smelter spin-off and Dugald River development restart.

Individual involvement documented · This is an issuer-published career summary; it is not independent verification of every claimed contribution.

EducationIssuer Reported · Medium materiality

Mining and finance credentials and development history disclosed

Kaiser Reef’s annual report lists BE Chemical, ME Mining, Master of Applied Finance, FAICD and FAusIMM; describes 40+ years in resources, including Zinifex development leadership, Nyrstar spin-off and Dugald River restart. These are issuer-reported credentials and roles.

Individual involvement documented · Issuer biography connects him to the stated role and project work, without independent verification or full dates.

Annual Report 2025 · p.7, lines 420–435
EnvironmentIssuer Reported · Medium materiality

Issuer reported no unrectified externally reportable environmental incidents in FY2025

Annual report states there were no externally reportable or outstanding environmental incidents at operating sites that had not been immediately rectified. This is issuer reporting and has limited assurance value; it does not mean no incidents occurred.

Role overlaps event; causation unproven · Howe served as Executive Director during the period; no individual environmental responsibility is established.

Annual Report 2025 · p.6, environmental management, lines 353–363
Evidence gaps · 3
  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.
  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.
  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Full background report

Stewart Howe

Executive Director

Career chronology

  • Dates not stated in the source: Zinifex; Whittle Consulting Group — Previously held professional positions as described by issuer. Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

  • Current at evidence cutoff: Kaiser Reef Limited — Executive Director. Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Education and qualifications

Mining and finance credentials and development history disclosed

At 30 June 2025 report · issuer reported · medium materiality

Kaiser Reef’s annual report lists BE Chemical, ME Mining, Master of Applied Finance, FAICD and FAusIMM; describes 40+ years in resources, including Zinifex development leadership, Nyrstar spin-off and Dugald River restart. These are issuer-reported credentials and roles.

Attribution: Individual involvement documented. Issuer biography connects him to the stated role and project work, without independent verification or full dates.

Relevance: Relevant to board and project oversight.

Annual Report 2025 (p.7, lines 420–435)

Personal achievements

Relevant professional background and qualifications

Previous career / current appointment; exact periods only where stated · issuer reported · medium materiality

Investor presentation describes 40+ years in resources; CDO at Zinifex, smelter spin-off and Dugald River development restart.

Attribution: Individual involvement documented. This is an issuer-published career summary; it is not independent verification of every claimed contribution.

Relevance: The disclosed roles and qualifications bear on the executive’s executive director responsibilities.

Investor Presentation – August 2025 (Board slide)

Environmental record

Issuer reported no unrectified externally reportable environmental incidents in FY2025

Year ended 30 June 2025 · issuer reported · medium materiality

Annual report states there were no externally reportable or outstanding environmental incidents at operating sites that had not been immediately rectified. This is issuer reporting and has limited assurance value; it does not mean no incidents occurred.

Attribution: Role overlaps event; causation unproven. Howe served as Executive Director during the period; no individual environmental responsibility is established.

Relevance: Relevant to board oversight in an operating mining group.

Annual Report 2025 (p.6, environmental management, lines 353–363)

Suitability for the current role

Current role relevance is supported at title level

At evidence cutoff · analyst inference · medium materiality

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Attribution: Responsibility not applicable. This is an analytical role-fit judgment, not a claim of proven performance.

Relevance: Current role scope is directly relevant to team composition; evidence of delivery remains limited.

Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Evidence gaps

  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.

  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.

  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Tony Muir

Chief Financial Officer

Current
Role FitAnalyst Inference · Medium materiality

Current role relevance is supported at title level

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Responsibility not applicable · This is an analytical role-fit judgment, not a claim of proven performance.

Corporate Directory · Kaiser Reef Corporate Directory, Directors & Management.
Personal SuccessIssuer Reported · Medium materiality

Mining finance background stated in CFO appointment

Issuer’s appointment notice says Muir brings 20+ years of senior mining-sector financial leadership, including five years with Gold Road Resources, and makes his CFO appointment effective 20 July 2026. Full chronology and credentials remain unverified in this source.

Individual involvement documented · Announcement establishes role and issuer-reported experience only.

Appointment of Chief Financial Officer · Appointment announcement, 24 April 2026
Evidence gaps · 3
  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.
  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.
  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Full background report

Tony Muir

Chief Financial Officer

Career chronology

  • Current at evidence cutoff: Kaiser Reef Limited — Chief Financial Officer. Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

  • Five years per issuer appointment notice: Gold Road Resources — Senior financial leadership. Appointment of Chief Financial Officer (Appointment of CFO summary)

Personal achievements

Mining finance background stated in CFO appointment

Appointment effective 20 July 2026 · issuer reported · medium materiality

Issuer’s appointment notice says Muir brings 20+ years of senior mining-sector financial leadership, including five years with Gold Road Resources, and makes his CFO appointment effective 20 July 2026. Full chronology and credentials remain unverified in this source.

Attribution: Individual involvement documented. Announcement establishes role and issuer-reported experience only.

Relevance: Relevant to finance role fit; evidence remains thin.

Appointment of Chief Financial Officer (Appointment announcement, 24 April 2026)

Suitability for the current role

Current role relevance is supported at title level

At evidence cutoff · analyst inference · medium materiality

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Attribution: Responsibility not applicable. This is an analytical role-fit judgment, not a claim of proven performance.

Relevance: Current role scope is directly relevant to team composition; evidence of delivery remains limited.

Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Evidence gaps

  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.

  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.

  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Aida Tabakovic

Joint Company Secretary

Current
Role FitAnalyst Inference · Medium materiality

Current role relevance is supported at title level

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Responsibility not applicable · This is an analytical role-fit judgment, not a claim of proven performance.

Corporate Directory · Kaiser Reef Corporate Directory, Directors & Management.
EducationIssuer Reported · Medium materiality

Company secretarial and compliance experience disclosed

Kaiser Reef annual report lists BBus and Graduate Diploma in Business (Law), and 15+ years’ corporate accounting/reporting, financial management and ASX company secretarial/compliance experience. Issuer-reported, not independently verified.

Responsibility not applicable · No direct credential verification undertaken.

Annual Report 2025 · p.8 lines 483–494
Evidence gaps · 3
  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.
  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.
  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Full background report

Aida Tabakovic

Joint Company Secretary

Career chronology

  • Current at evidence cutoff: Kaiser Reef Limited — Joint Company Secretary. Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Education and qualifications

Company secretarial and compliance experience disclosed

As at FY2025 annual report · issuer reported · medium materiality

Kaiser Reef annual report lists BBus and Graduate Diploma in Business (Law), and 15+ years’ corporate accounting/reporting, financial management and ASX company secretarial/compliance experience. Issuer-reported, not independently verified.

Attribution: Responsibility not applicable. No direct credential verification undertaken.

Relevance: Relevant to joint company secretary duties.

Annual Report 2025 (p.8 lines 483–494)

Suitability for the current role

Current role relevance is supported at title level

At evidence cutoff · analyst inference · medium materiality

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Attribution: Responsibility not applicable. This is an analytical role-fit judgment, not a claim of proven performance.

Relevance: Current role scope is directly relevant to team composition; evidence of delivery remains limited.

Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Evidence gaps

  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.

  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.

  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Stephen Brockhurst

Joint Company Secretary

Current
Role FitAnalyst Inference · Medium materiality

Current role relevance is supported at title level

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Responsibility not applicable · This is an analytical role-fit judgment, not a claim of proven performance.

Corporate Directory · Kaiser Reef Corporate Directory, Directors & Management.
Evidence gaps · 3
  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.
  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.
  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.

Full background report

Stephen Brockhurst

Joint Company Secretary

Career chronology

  • Current at evidence cutoff: Kaiser Reef Limited — Joint Company Secretary. Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Suitability for the current role

Current role relevance is supported at title level

At evidence cutoff · analyst inference · medium materiality

Analyst inference: the disclosed current title indicates experience relevant to the assigned function. The record reviewed does not establish individual delivery outcomes or independently verify credentials beyond the cited issuer disclosure.

Attribution: Responsibility not applicable. This is an analytical role-fit judgment, not a claim of proven performance.

Relevance: Current role scope is directly relevant to team composition; evidence of delivery remains limited.

Corporate Directory (Kaiser Reef Corporate Directory, Directors & Management.)

Evidence gaps

  • Independent verification of the complete career chronology, education and professional memberships is not established by the sources reviewed.

  • No comprehensive regulator, court, safety, environment or litigation-record review was completed; absence of a finding here is not a clearance.

  • Individual contribution to employer outcomes and concurrent board interests require additional source-level verification.