Mr Hambi has worked in the fund sector for over 30 years and joins from Aberdeen Standard Investments where he was head of multi-manager strategies.
He has worked for several major fund managers, including Gartmore and Rothschild Asset Management, and spend 10 years working at Quilter earlier in this career.
He will join towards the end of the year and takes over from Paul Simpson who is retiring.
Other recent hires for Quilter’s investment arm include Helen Bradshaw and Ian Jensen-Humphreys.
Paul Feeney, Quilter chief executive, said: “I’m delighted Bambos is joining Quilter Investors. His skill and experience in manager and fund selection further strengthens our investment capability as we continue to build exceptional investment solutions that deliver for clients and advisers.
“He will succeed Paul Simpson who is retiring after a long and distinguished career and I am immensely grateful for Paul’s contribution to building Quilter Investors”.
Mr Hambi said: “Having worked for Quilter at the beginning of my career it feels wonderful to be coming full circle and I’m thrilled I can be involved in the next phase of Quilter Investors growth.”
Quilter manages £95.3bn in client investments and has a number of businesses including a Financial Planning division.