Ms Blatchford will join the platform from within the group where she has been head of product and marketing for Quilter International.
Previous to joining the Quilter group, she was sales and marketing director for retail investments at Legal & General Investment Management and partnerships director at Legal & General, including sales through the Cofunds Platform.
She will move into the role from 1 January and will report the Steven Levin, the CEO of Old Mutual Wealth.
Ms Blatchford succeeds Scott Goodsir who is leaving Old Mutual Wealth in February and plans to take time out of the industry. He has held the role since January 2014.
Steven Levin, CEO of Old Mutual Wealth, said: “I’m delighted to welcome Karen to our UK Platform business. Karen’s experience and insight will be vital in helping deliver on our strategy to develop our platform collaboratively with advisers while continuing to build long-lasting strategic relationships with their businesses.
“I would like to thank Scott Goodsir for his outstanding contribution to our business over the past seven years and I’m delighted that he will stay with us to complete the transition to our new platform, ensuring it lands safely with advisers. We wish him all the very best for the future.”
Ms Blatchford, said: “I believe it is a fantastic time to be a financial adviser and I’m looking forward to focusing on working with them to capitalise on the growth opportunities. I’m also incredibly excited to be joining our UK platform business as we adopt our new technology which will offer new capabilities to advisers and their clients underpinned by first class service.”
Quilter’s UK platform business has been part the Quilter group since the wealth manager and Financial Planner, formerly known as Old Mutual Wealth, listed and separated from Old Mutual in 2018.