Aon UK Ltd., the insurance subsidiary of Aon Plc, named Nathan Shanaghy COO, effective April 1.

Shanaghy, who is COO of Aon Risk Solutions UK and the London Global Broking Centre, will succeed David Ledger, who will retire at March-end after 21 years with Aon.

Shanaghy will report to Julie Page, who was named CEO of Aon UK at the end of February. Page's appointment is subject to regulatory approval.