# Otto Richter Chief Technical Officer ## Career chronology - **Current role and background: Greatland group mining engineer from August 2021, acting COO from February 2026, CTO from October 2026; previously Resolute and Newcrest: Greatland Resources Limited** — Chief Technical Officer. [Appointment of group mining engineer]() (Appointment and prior roles); [Chief Operating Officer and Chief Technical Officer appointments]() (CTO transition and responsibilities) ## Education and qualifications ### Reported qualifications [otto-richter_education] Issuer biography; qualification dates unknown · issuer reported · low materiality Greatland’s prospectus identifies Richter as a Fellow of AusIMM and a competent person; independent membership verification was not obtained. **Attribution:** Responsibility not applicable. Credentials are reported by issuer and were not independently verified. **Relevance:** Role-relevant education and qualifications. [Appointment of group mining engineer]() (Appointment and prior roles); [Chief Operating Officer and Chief Technical Officer appointments]() (CTO transition and responsibilities) ## Contributions and company outcomes ### Telfer first full-year production [otto-richter_telfer] FY2026 · issuer reported · medium materiality Greatland reports that Telfer produced 328,987 ounces of gold in FY2026, its first full financial year under Greatland ownership. The company reported improvements in safety indicators; the result is a group outcome rather than a quantified individual achievement. **Attribution:** Role overlaps event; causation unproven. Richter served as acting COO for part of FY2026 and Benson was promoted site general manager in January 2026; individual causal contributions are not quantified. **Relevance:** Delivered mine production and operational performance. [Annual report 2026]() (FY2026 highlights and leadership section); [December 2025 quarterly activities report]() (General manager promotion) ## Suitability for the current role ### Experience relevant to role [otto-richter_fit] Career and current role as disclosed · analyst inference · low materiality Mine planning and due-diligence experience is relevant to technical studies and reserves. **Attribution:** Responsibility not applicable. Analytical inference from disclosed roles; precise personal contribution to employer outcomes varies. **Relevance:** Team capability and role fit. [Appointment of group mining engineer]() (Appointment and prior roles); [Chief Operating Officer and Chief Technical Officer appointments]() (CTO transition and responsibilities) ## Evidence gaps - Independent verification of reported credentials and complete prior-employer dates was not obtained. - Targeted public-source searches do not exhaust legal, regulatory, sanctions, safety or litigation records. - Individual contribution to company-wide outcomes is not quantified. - Some earlier topic rows reuse broad person and employer searches; topic-specific regulator, court, safety, fraud and environmental searches and full prior-employer histories are incomplete.