Turner & Townsend appoints James Corrigan as Managing Director for the United States
Michael Mahon joins Turner & Townsend's energy and natural resources team
21 Oct 25
2 min read


press release
Turner & Townsend, the global professional services company, has appointed Michael Mahon as Director to lead its Advisory offer across Energy and Natural Resources.
Michael’s appointment reflects Turner & Townsend’s continued strengthening of its programme advisory capability, helping clients set up and deliver major programmes with confidence, combining strategic insight, delivery expertise and digital innovation to drive performance and value.
Based in London, Michael brings over 25 years of experience in the energy sector, with his most recent role as Chief Infrastructure Officer at EirGrid.
Michael’s experience includes significantly advancing Ireland’s transmission system infrastructure portfolio to meet climate targets and increasing demand, developing offshore wind transmission strategy and mobilising the capability and organisation needed to deliver multi £bn investments in complex energy environments.
“Michael’s appointment strengthens our programme advisory leadership across both our energy and natural resources and infrastructure teams.
His experience in delivering complex energy programmes and engaging with senior stakeholders will be invaluable as we continue to support clients in navigating the challenges of net zero, the energy transition and infrastructure resilience.”
David Whysall
Global Managing Director, Energy and Natural Resources
Turner & Townsend
“I’m passionate about delivering infrastructure that meets the demands of energy transition and climate resilience.
Turner & Townsend’s collaborative approach to programme advisory is a great fit for the challenges ahead and I look forward to working with our teams and clients to drive impact across the programmes we deliver.”
Michael Mahon
Advisory Director, Energy and Natural Resources
Turner & Townsend
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