Clay Smolinski will become co-chief investment officer of Platinum Investment Management as it adds more portfolio managers to run its funds.

Mr Smolinski, who will work alongside current chief investment officer Andrew Clifford, will start in the role on April 1.

Mr Smolinksi and Nikola Dvornak have been appointed as co-managers of Platinum Capital’s portfolio alongside Andrew Clifford, who will continue to manage the majority of the assets.

Mr Dvornak has also been appointed as co-manager of Platinum International Fund.

Mr Clifford and Cameron Robertson will co-manage Platinum Asia Investments.