The Group focuses on building reliable origin relationships, coordinating aggregation and grading practices, and executing compliant international trade into established refining and manufacturing markets.
Sphere’s core activities are focused on aggregation and international trade within the commodities value chain. Selective participation at origin strengthens supply integrity, material quality and responsible recovery outcomes.

Sphere operates primarily at the aggregation and international trade layer of the commodities value chain.
Sphere integrates responsible recovery principles into its commercial operations and supply chain relationships.
Defined governance and responsible sourcing protocols underpin all aggregation and trade activities.
Further details and supporting policies are available in the Governance section of this website.
Drawing on experience across financial markets, commodities trading and the circular economy sector, Mark shapes the strategic direction of the Sphere Group and its participation in international commodities markets.
His focus is the long-term development of the enterprise — strengthening global market relationships, expanding Sphere’s international presence and engaging with government institutions, industry bodies and investors to advance responsible recovery frameworks and the growth of circular resource infrastructure.
Douglas provides strategic and financial leadership across the Sphere enterprise.
With a career spanning investment banking and renewable energy technology development, he contributes to corporate governance, capital strategy and investor engagement while supporting the Group’s international expansion.
His experience strengthens Sphere’s governance framework and capital strategy as the enterprise expands across regional and international markets.
David contributes strategic guidance to the Sphere enterprise, supporting the Group’s development as it expands its participation across international supply chains connecting origin markets with global refining and manufacturing sectors.
He brings more than two decades of experience across global capital markets, institutional investment and portfolio management, with a focus on governance, risk management and the evaluation of complex operating businesses across multiple jurisdictions. His background in internationally listed markets and capital-intensive industries provides a strong foundation for guiding enterprises operating within regulated, cross-border and complex international environments.
Michael leads international partnership development across the Sphere supply network.
With decades of experience in the e-waste and resource recovery sector, he has built extensive relationships with suppliers, processors and industry participants across global markets.
His experience strengthens supply channels, expands international market access and reinforces trusted commercial relationships across Sphere’s global network.