Jan 9 (Reuters) - ClearStream Energy Services Inc CSM.TO :
* CLEARSTREAM ANNOUNCES BOARD AND EXECUTIVE CHANGES
* SEAN MCMASTER HAS BEEN APPOINTED AS CHAIRMAN (NON-EXECUTIVE) OF BOARD OF DIRECTORS OF CLEARSTREAM
* DEAN MACDONALD, FORMERLY EXECUTIVE CHAIRMAN, WILL CONTINUE IN HIS ROLE AS A MEMBER OF BOARD OF DIRECTORS OF CLEARSTREAM