Sustainable growth is built on the foundation of quality infrastructure. Our globally connected team guide EY clients to create robust infrastructure and get more value from their existing assets.

Darrin Grimsey

EY Global Infrastructure Advisory Leader

Senior advisor to governments and private sectors for over 35 years. Passionate about infrastructure and development. Proud father of four adult children. Keen hiker and bike rider.

Darrin Grimsey is the EY Global Infrastructure Advisory Leader and lead partner at EY Australia for the Department of Foreign Affairs and Trade. He brings over 35 years of experience in infrastructure projects and Public Private Partnerships (PPPs).

He has advised on high-profile projects in Australia, UK and Southeast Asia, with experience spanning across project management, commercial and financial advisory, risk identification and contract negotiations. Darrin has influenced Australia's PPP program and led projects across sectors including transport, energy, health, justice, education and events facilities.

Darrin holds a civil engineering degree from the University of Nottingham (1987) and a master’s degree in management and the Implementation of Development Projects from the University of Manchester (1992).

He has authored acclaimed works on infrastructure, including award-winning literature like "Public Private Partnerships: The Revolution in Infrastructure Provision and Project Finance" and "Global Developments in Public Infrastructure Procurement: Evaluating Public-Private Partnerships and Other Procurement Options".

How Darrin is building a better working world

"I'm proud to guide a team of top-tier infrastructure specialists. Our expertise in enterprise strategy and investment appraisal is globally recognized. We help deliver not just advice, but a commitment to quality infrastructure that fuels sustainable growth and efficient businesses. Drawing on insights from EY global network, we help EY clients navigate the intricate challenges of infrastructure projects. My role as a leading adviser on public-private partnerships has allowed me to help shape PPP policies in Australia and Southeast Asia, always with the goal of delivering infrastructure that contributes to a better working world."

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