Senior Management

Charles Altshuler

Interim Chief Executive Officer / Chief Financial Officer

Mr Altshuler is a senior mining executive with more than 20 years’ international experience spanning corporate finance, strategy, and project execution. He has held senior leadership roles with major global mining houses including Anglo American, Glencore, and Samancor Manganese, where he was responsible for financial management, business partnering, and the evaluation of multi-billion-dollar capital projects. Mr Altshuler joined Globe in 2022 as Chief Financial Officer and was instrumental in advancing the Company’s funding strategy, offtake discussions, and investor relations. In June 2025 he was appointed Interim Chief Executive Officer, adding operational leadership to his responsibilities.

His focus is on steering Globe to a Final Investment Decision (FID) for the Kanyika Niobium Project, securing financing, locking in offtakes, and overseeing project execution with discipline and stakeholder alignment. Mr Altshuler holds an MBA from Torrens University and a Diploma in Project Management from Stanford University.

Rex Zietsman

Chief Technical Officer

Mr Zietsman has over 35 years’ experience as a Chemical Engineer with extensive engineering and project management experience across a broad range of industries and commodities including rare earths, niobium, tantalum, uranium, phosphoric acid, and biomass renewable energies.


Prior to joining Globe, Mr Zietsman held senior project management and technical roles with Bikita Minerals in Zimbabwe and consulting roles with Tantalite Resources and Frontier Rare Earths in South Africa, and the Botswana Development Corporation.  Mr Zietsman holds a BSc Eng (chem) and an MBA from the University of Cape Town, South Africa.

Kelly Moore

Company Secretary

Ms Moore is a qualified Chartered Accountant and Company Secretary with extensive experience in providing accounting and secretarial advice to public companies. Ms Moore holds a Bachelor of Commerce degree from the University of Western Australia, is a Fellow of the Institute of Chartered Accountants Australia and New Zealand, is a graduate of the Australian Institute of Company Directors and an associate member of the Governance Institute of Australia.

Rogerio Pastore

Head of Marketing

 Mr Pastore has over 25 years’ experience in the steel and mining industries. His expertise extends across strategic development, business model innovation, go-to-market strategies, and market development across more than 50 countries. Prior to joining Globe, Mr Pastore held key leadership roles in prominent organisations like Gerdau and CBMM, where he displayed an ability to manage multicultural teams and navigate complex international markets.

David Young

Chief Consultant Geologist

Mr Young has more than 50 years’ mining sector experience, with expertise in commodities and their methods of exploration, evaluation, mining, and valuation. Prior to joining Globe, Mr Young worked as a production geologist in the mining industry before jointly founding a mineral consulting company in Johannesburg, specialising in providing geological investment advice, and working as an Independent Consultant Geologist in Cape Town, South Africa.

Lisungu Chirwa

Managing Director,

Globe Metals & Mining Africa Limited

Globe Metals & Mining is pleased to announce the promotion of Lisungu Chirwa to Managing Director of its wholly owned subsidiary, Globe Metals & Mining Africa Limited. This decision underscores the Company’s commitment to local leadership and strengthening in-country capabilities.


Based in Malawi, Lisungu brings a wealth of experience, deep institutional knowledge, and a steadfast dedication to Globe’s mission. She holds an MSc in Strategic Management from the University of Derby and a Bachelor of Commerce from the University of Namibia. Since joining Globe in 2008 in Lilongwe, she has advanced through a series of senior roles, most recently serving as Finance Director.


In that role, Lisungu played a pivotal part in negotiating the Mining Development Agreement (MDA) with the Government of Malawi and led the community engagement process for the signing of the Community Development Agreement (CDA). These achievements reflect her strong leadership, commercial capability, and stakeholder engagement skills.

Lisungu also serves on the Board of Directors and acts as the Company Secretary of Globe Metals & Mining Africa Limited, further demonstrating the trust placed in her by both the Company and its stakeholders.


Prior to her tenure at Globe, she was Company Accountant at Macsteel Malawi, where she led the finance team and acted as deputy to the Financial Controller.

Her promotion marks a significant milestone in Globe’s development journey and highlights the Company’s ongoing strategy to empower local leaders and strengthen operational roots in Malawi.