Presently, Julian Simon Maheson Tambyrajah occupies the position of Chief Financial Officer & Secretary for Horizon Minerals Ltd.

In his past career Mr. Tambyrajah occupied the position of Chief Financial Officer, Secretary & Director at DRDGOLD Ltd. and Chief Financial Officer, Secretary & Director at Dome Resources NL (a subsidiary of DRDGOLD Ltd.), Chief Financial Officer for Strike Resources Ltd. (Australia), Chief Financial Officer, Secretary & Director at Central Petroleum Ltd., Chief Financial Officer of Alara Resources Ltd., Chief Financial Officer for Elmore Ltd., Chief Financial Officer of Peako Ltd., Chief Financial Officer, Secretary & Director at Rusina Mining NL and Chief Financial Officer, Secretary & Director at Focus Minerals (Laverton) Pty Ltd.