Quilter Cheviot’s MPS, now 15 years old, includes 11 individual strategies offered directly or through a selected range of platform partners.
Webb said he was “happy once again to be part of this innovative, market-leading team.”
He added: “I look forward to contributing to its growth and exploring our new opportunities as part of the broader Old Mutual Wealth Multi-Asset Capability.
“This new role will enable me to expand the direct interaction with advisers and clients that I enjoy, ensuring I can help Quilter Cheviot to understand and meet the evolving needs of both groups.”