Re/insurance broker Aon has bolstered its operations leadership team in the UK with the appointments of Katy Whelan as London Chief Operating Officer(COO) and Charles Stewart as Head of Strategy, Planning and Implementation, Aon Business Services (ABS), UK.
They are both based in London and will report to Nathan Shanaghy, Aon UK COO and Head of Strategy for ABS.
Whelan will focus on scaling the business’ operational infrastructure, supporting the delivery of Aon United across its London client base.
She has more than 15 years’ experience in leading operational improvement projects as COO of the corporate finance division of Deutsche Bank.
Whelan has also spent more than a decade in client-facing roles at KPMG and three investment banks, including UBS.
Stewart, meanwhile, will support ABS to develop and implement Aon’s core strategy.
He joins the firm after a 25-year career at WTW where he most recently served as Great Britain (GB) head of strategy and planning and chief of staff for the GB CEO.
In his role, Charles undertook several strategic reviews and designed and managed the implementation of numerous key organisational change programs.
“As Aon continues to build innovative new solutions in 2022, I am delighted to welcome Katy and Charles to the team,” said Shanaghy.
“Their depth of expertise and strong track record in their respective sectors will provide great value to our clients. Both are highly respected, recognised leaders and will enhance our organisation’s operations, helping us to shape better decisions for our clients for years to come.”





