Aon appoints James Harmer as Head of Global and Corporate in Australia

Aon appoints James Harmer as Head of Global and Corporate in Australia

11 December 2025 Consultancy.com.au
Aon appoints James Harmer as Head of Global and Corporate in Australia

Global professional services firm Aon has appointed James Harmer as Head of Global and Corporate for Aon in Australia.

Based in Sydney, James Harmer will lead a national team of over 170 professionals delivering risk, insurance, and people solutions to multinational and large organisations in Australia. He will report to Kevan Johnston, CEO of Australia for Aon and join the Australian Executive Leadership Team.

Harmer brings a wealth of industry experience to his new role. He began his career at Aon in London as a broker in the Political Risk and Structured Credit team. He has held senior leadership positions at JLT and Marsh, most recently serving as Managing Director and Risk Management Leader for New South Wales at Marsh.

As Head of Global and Corporate, he will execute Aon’s national strategy for the segment, drive strategic growth initiatives, and ensure excellence in client service delivery. He will also advance Aon’s analytical capabilities and champion the development of innovative, data-driven solutions for clients and colleagues alike.

“James brings a rare combination of strategic vision, operational discipline and deep client insight to this role,” said Johnston. “His energy and leadership will be instrumental in driving our Global and Corporate business forward and further enhance the value we bring to clients.”

Commenting on his appointment, Harmer said: “I am delighted to be returning to Aon. It is a privilege to have the opportunity to lead such a talented team,” said Harmer. “The firm has such incredible momentum right now and I’m eager to get started helping our clients navigate an increasingly uncertain risk landscape.”

More on: Aon
Australia
Company profile
Aon
Aon is not a Australia partner of Consultancy.org
Partnership information »
Partnership information

Consultancy.org works with three partnership levels: Local, Regional and Global.

Aon is a Local partner of Consultancy.org in Middle East, Netherlands.

Upgrade or more information? Get in touch with our team for details.