Diffey Consulting
Diffey Consulting works with senior executives, boards, and leaders who are navigating complex environments and seeking to
Strengthen and leverage collaboration across sectors
Drive research and innovation for performance
Build stakeholder trust and alignment
Deliver sustainable, high-impact outcomes.
Services
Strategy & Innovation
From policy development to system design and ecosystem uplift, Lea can help you navigate change, align leadership, and build innovation capability that delivers unique and measurable results.
Partnership Facilitation
Contextually sensitive design and stakeholder engagement frameworks that foster trust, enable co-investment, and clarify purpose. Lea can turn your complex relationships into groundbreaking productive partnerships.
Strategic Leadership
Lea develops executive advice for department heads, precinct leads, university and corporate leaders, allowing you to unlock leadership potential and align teams around a shared culture and goals.
Governance & Performance
By supporting boards and leadership teams with decision-making frameworks, accountability structures, and performance alignment, Lea ensures your organisational sustainability, integrity and impact.
Why Clients Choose
Diffey Consulting
A seasoned executive with 15 years in senior government roles and extensive board experience, Lea Diffey brings clarity, strategy, and operational discipline to help you move from vision to execution.
Trusted Advisor: Lea is respected by government, industry, university, and board leaders for her strategic insight and collaborative approach.
Proven Impact: From multi-million-dollar programs to groundbreaking partnerships, Lea's work has been proven to drive real outcomes.
Cross-Sector Expertise: Lea understands the language and priorities of policy, research, and industry and can help you align them.
Sustainability Focus: By embedding sustainability into strategy and operations, Lea supports your long-term growth and investment.
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Master of Governance and Public Policy (UQ)
Graduate, Australian Institute of Company Directors (GAICD)
Master of Environmental Management (Griffith)
Bachelor of Applied Science (Environmental Management) (Deakin)
15 years in senior roles in innovation, science and sustainability across government
Board and advisory experience across universities and not-for-profits