Peter Mullen is stepping down from his role as CEO of Aon Captive Insurance Management.
Mullen, who spent seven years at Aon, leaves the firm with immediate effect to pursue new opportunities.
An insurance industry veteran with more than 30 years experience, Mullen has previously held roles at AIG and Artex Risk Solutions.
A statement from Aon said: “We thank him for his contributions to our firm and wish him well.”
“Rory Moloney, CEO of Aon Global Risk Consulting, will oversee the captive business until a new captives CEO is confirmed.”