This sees him taking on the day-to-day running of the UK Health business.
Mark will report into Phil Willcock, who has recently been appointed propositions director for Aviva's life and health businesses.
Adam Beckett, head of strategy, marketing and direct operations will move into the role of sales and marketing director for UK Health.
Commenting on the appointments Philip Willcock, propositions director for Aviva said: "I'm thrilled that Mark has agreed to lead UK Health in the next chapter of its growth. He has unparalleled knowledge of the health and group risk markets, is a natural leader and above all, after nearly 20 years with UK Health, he loves the business and cares passionately about ‘doing the right thing' for our customers and our people.
"Adam brings a keen strategic brain to the role and I am confident that he will help to take both his new directorate, and the wider business, from strength to strength."
