Strategic Advice on Sustainability and Security.
Our Mission
“Our mission is to leverage deep expertise in defence, security, and environmental sustainability to empower transformative opportunities. We collaborate with clients to craft strategic solutions, align organisational culture with purpose, and navigate complexity for a resilient and sustainable future.”
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Green Compass was founded by Vice Admiral (Rtd) Mark Mellett DSM PhD as a platform through which to share experience and offer strategic advice.
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At Green Compass, we inspire courageous leadership and provide expert guidance on security and sustainability. Through storytelling and strategic insights, we deliver policy-driven, operationally grounded solutions. Our approach brings together people, institutions, and technology, fostering alignment between culture and purpose to navigate complexity and drive meaningful change.
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What sets us apart as a species is our capacity to learn from the experiences of others. Yet, true progress is often hindered by our hesitation to embrace vulnerability and adopt those lessons. At Green Compass, we bridge this gap, offering the insights and expertise needed to turn experience into meaningful progress.
Work With Us
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CEO Dialogue
One to one engagement with C=Suite members on principles and challenges of leadership positions.
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Board Engagement
Bespoke engagement on principles for effective governance in complex organisational settings.
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C Suite Engagement
Strategic advice to C Suite and leadership team.
Climate Change and The Future
Our future depends on people and our ability to live sustainably and collaboratively as part of nature’s ecosystem. At every level—corporation, organisation, community, and individual—this future presents extraordinary opportunities for civil society and enterprise alike. Achieving this vision requires urgent action on three fronts: accelerating the transition to renewable energy, contributing to biodiversity recovery, and reducing carbon emissions. These efforts must align with evolving regulatory requirements, such as the Corporate Sustainability Reporting Directive (CSDR), which demands greater transparency and accountability in environmental, social, and governance (ESG) practices. By proactively addressing these challenges and integrating compliance into strategic operations, companies can not only meet regulatory expectations but also lead the way in building a resilient and sustainable future.