The AIM-listed dump leach retreatment play bought the Sasa zinc and lead mine last year as a way to diversify its revenue base.
Last month, CAML announced Nick Clarke would drop the ‘executive' from his chairman title and those duties would go to CFO Nigel Robinson as the CEO.
Gavin Ferrar was promoted to CFO in his place.
Yelland has been at Shanta since 2015 and was promoted from New Luika general manager to COO last year.