Bison Resources Appoints Tim Mackellar as CEO to Drive Growth
Bison Resources has appointed Tim Mackellar as CEO, leveraging his senior mining and capital markets experience to drive exploration and development efforts.
- Tim Mackellar appointed CEO effective 2 June 2026
- Extensive senior roles at Rio Tinto and Fortescue
- Capital markets expertise including IPOs and equity raisings
- Performance rights linked to exploration milestones and share price
- Annual remuneration set at $250,000 excluding super
Experienced Mining Executive Takes the Helm
Bison Resources (ASX:BSR) has named Tim Mackellar as its new Chief Executive Officer, effective 2 June 2026, signaling a strategic push into its next phase of exploration and project development. Mackellar arrives with a robust commercial pedigree, having held senior positions at mining giants Rio Tinto and Fortescue where he managed multi-billion-dollar projects such as Robe Valley, Winu, and Kangwinan.
Blending Operational Leadership with Capital Markets Savvy
Beyond his operational experience, Mackellar brings a background in corporate and capital markets law, having advised ASX-listed companies on IPOs, equity raisings, and governance. This dual expertise positions him to navigate both the technical and financial complexities of advancing Bison’s resource portfolio. The board emphasized confidence in his ability to unlock shareholder value as Bison advances its exploration programs.
Incentives Aligned with Exploration Success
Mackellar’s remuneration package includes a base salary of $250,000 per annum (excluding superannuation) and a suite of performance rights designed to tie his rewards to tangible company milestones. These incentives hinge on the completion of a minimum 5,000-meter drilling program, assay results surpassing specified copper, gold, or silver grades, significant drill intercepts, and share price performance reaching or exceeding 60 cents over a 20-day average.
Leadership Change at a Pivotal Moment
Non-Executive Chair Adam Jakovich highlighted the timing of Mackellar’s appointment as critical, underscoring the company’s ambition to progress exploration and development. With no fixed term and a three-month termination notice, the arrangement offers flexibility as Bison navigates the next stages of its growth trajectory.
While the announcement does not detail immediate strategic shifts or capital plans, Mackellar’s blend of operational and capital markets experience suggests a leadership style focused on both project execution and shareholder engagement. Investors will be watching closely how this appointment translates into exploration outcomes and market performance.
Bottom Line?
Mackellar’s appointment signals Bison’s intent to marry operational expertise with capital market agility as it moves deeper into exploration.
Questions in the middle?
- Will Mackellar’s capital markets background accelerate Bison’s access to funding for exploration?
- How soon can shareholders expect tangible results from the incentivised drilling programs?
- What impact will Mackellar’s leadership have on Bison’s strategic partnerships or joint ventures?
