# Thi Thu Hien Dinh Chief Metallurgist ## Career chronology - **2024 to October 2026: Critica Limited** — Chief Metallurgist. [Critica investor webinar presentation]() (p.26); [Critica company research January 2026]() (p.34) - **Prior position; dates not established: VinFast** — Mined and processed materials team lead. [Critica company research January 2026]() (p.34) ## Education and qualifications ### Reported metallurgy and hydrometallurgy experience [dinh_metallurgy] 2026 · issuer reported · medium materiality The October presentation identifies Dinh as chief metallurgist; a January 2026 research report cites a 2015 metallurgy PhD and prior metallurgical roles. Qualifications are reported rather than independently verified. Critica’s testwork is preliminary and not proof of commercial-scale performance. **Attribution:** Individual involvement documented. Sources identify her role and reported qualifications; no unsupported project attribution is made. **Relevance:** Relevant to metallurgy and testwork execution. [Critica investor webinar presentation]() (p.26); [Critica company research January 2026]() (p.34) ## Evidence gaps - Independent credentials and prior employer dates were not established. - Personal contribution to specific testwork outcomes and commercial-scale outcomes were not independently measured. - Individual searches and source reviews were limited; broad name-based queries were reused across multiple topics, and separate topic-specific checks were not completed for every category.