Insurance Times rounds up the most significant appointments, hires and leadership developments from 12 to 16 October 2026

Amongst the biggest moves this week was Aviva appointing Johan Slabbert as managing director of its Global Corporate and Specialty (GCS) business and chief executive of Aviva Syndicates.

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With previous experience of leadership roles, including chief executive at Chaucer UK and MS Amlin respectively, he will lead Aviva’s GCS operations. 

Next, Uinsure appointed Tom Doyle as chief trading officer as the cloud-based technology platform continues its expansion.

Joining from Markerstudy Retail, Doyle will lead Uinsure’s trading strategy, with responsibility for insurer and capacity relationships, product development and portfolio performance.

In broker news, Howden appointed Elliot Richardson as group chief commercial officer.

In his new role, Richardson will work closely with group chief financial officer Susan Panuccio and group chief operating officer David Shalders to align the strategy with Howden’s wider transformation.

Then, Clearwater Underwriting appointed Henry MacHale as its new chief executive.

Expected to take up his new role in the second quarter of 2027, his appointment comes as the Aquiline-backed firm seeks to build a multiline specialty underwriting business, expanding beyond its established marine operations.

Rounding off the week, Arch Insurance appointed Karen Donald as branch manager of its Glasgow operation as the insurer looks to drive growth across Scotland.

The appointment takes effect immediately and will see Donald take responsibility for the day-to-day management of the UK regional division’s Glasgow branch.