Ernst Grissemann

Entrepreneur/ Investor/ Vorstandsvorsitzender @ BPG Alternative Minerals Reserves AG

Vienna, Vienna, Austria

About

At BPG Alternative Minerals Reserves AG, we are redefining the future of sustainable mineral asset management. My leadership is driven by a vision that blends innovation, strategic foresight, and environmental responsibility, ensuring long-term value creation in an evolving, yet new industry. With a strong background in leadership, corporate governance, and environmental stewardship, I am deeply committed to innovative solutions in management of mineral assets, natural resource protection, and sustainable mining practices. In my dual role as CEO of our corporate group and Chairman of Green Tech Mining & Services LLC—our flagship subsidiary in the Sultanate of Oman, I lead with a focus on innovation, integrity, and strategic growth. My bilingual proficiency in German and English, combined with decades of leadership and international business expertise, enables me to bridge markets, foster transparent partnerships, and drive global expansion. Together, we are shaping a more sustainable, responsible, and financially resilient future for mineral production.

Experience

  • BPG Alternative Minerals Reserves AG (2 yrs 2 mos)
    • Vorstandsvorsitzende:r
      Sep 2025 - Present · 10 mos

    • Managing Director/ Geschäftsführer
      May 2024 - Sep 2025 · 1 yr 5 mos

      Geschäftsführer/ Managing Director responsible for establishing the company's strategy and objectives, both, short-term and long-term. Developing the business plans and the strategies and advising the shareholder/owner on strategic issues. I represent the company in external relations, as well as I am responsible for organising financing and the company’s accounting and reliable organisation of the finances.

  • Chairman of the Board at Green Tech Mining & Services LLC
    Jun 2018 - Present · 8 yrs 1 mo

    After having led the company as CEO for its first 7 years, from founding to its first issuance of bonds through the mother company, now, as the Chairman of the Management Committee, I'm heading the board, providing leadership to the company's executives and other employees, and I am leading the strategy on a big-picture, and tanke overall care to setting the right tone for the corporate culture of the company.

  • Co-Owner at GULF GREEN TECH
    Jun 2018 - Present · 8 yrs 1 mo

    As a co-founder and owner I head all decisions regarding where and when the company invests and I provide leadership to the firm's executives.

  • Executive Manager at BPG hramba plemenitih kovin d.d.
    Sep 2022 - Sep 2025 · 3 yrs 1 mo

  • Project Director and later CEO at BAUER Resources GmbH
    Jan 2009 - Jun 2018 · 9 yrs 6 mos

    Design, Engineering, Financing, Construction, Operation of Nimr Water Treatment Plant, the largest artificially constructed wetland in the world for Petroleum Development Oman’s treatment of produced (contaminated) waste water. Disi to Amman Water Conveyance System/ 64 deep groundwater wells incl. a 325 km pipeline to convey 100 mio. Cqm of water to Jordan’s capital city. Leading a up to 680 staff organisation, with various entities to manage the turn around and later, the growth of the organisation as CEO.