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Keystone action creating a positive ripple effect through your organisation

Unlocking organisations, delivering action, accelerating impact.

LinkedIn: Mark Silverthorne

Mark Silverthorne is the Founder and Director of Keystone Consulting.

Mark is a seasoned leader with nearly two decades in the corporate arena. His wealth of experience encompasses driving culture change, enhancing organisational capability, reshaping workforce strategy, and generating organisational alignment. Mark's track record includes delivering outcomes and improving performance in top ASX-listed companies and privately owned businesses across diverse geographies and cultures.


Mark has played pivotal roles in significant organisational initiatives, supporting the execution of operating model changes, business turnarounds, organisational redesigns, restructuring programs, strategy resets, and mergers and acquisitions. His impact spans diverse industries, including mining, oil and gas, bulk logistics, industrial services, construction materials, third-party logistics and supply chain, software development, and financial services.

Mark prioritises working with internal teams to refocus resources and build capability. Dependent on the organisational need, Mark works with a trusted and proven network of highly experienced professionals, ranging from former executives and senior leaders to business owners and deep technical experts. This model of collaboration provides the flexibility to select the right capability at the right level of experience to meet your specific needs whilst also boosting your internal capability. 

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