March 30 (Reuters) - Sigma Healthcare Ltd SIG.AX :
* NAMES WAYNE JOHNSTON AS INTERIM CHIEF FINANCIAL OFFICER
* JEFF SELLS HAS RETURNED TO HIS ROLE AS EXECUTIVE GENERAL MANAGER RETAIL PHARMACY
March 30 (Reuters) - Sigma Healthcare Ltd SIG.AX :
* NAMES WAYNE JOHNSTON AS INTERIM CHIEF FINANCIAL OFFICER
* JEFF SELLS HAS RETURNED TO HIS ROLE AS EXECUTIVE GENERAL MANAGER RETAIL PHARMACY