Elanor Grimwood would one day like to emulate Lydia Ko in bursting on to the international golf scene.

Dustin Johnson was once witheringly described by American satirist Rick Reilly as "so dense, light bends around him".

Switching from being a heavily feted amateur to full-time professional won't faze teenage sensation Lydia Ko, according to long-time mentor Guy Wilson.

Just as in her smooth, unrushed golf swing, Lydia Ko's timing off the course has been impeccable.