Aug 1 (Reuters) - Great Panther Silver Ltd
* Great Panther silver appoints new CEO
* Announces appointment of Jim Bannantine as president and CEO, effective August 16.
* Bannantine will succeed Robert Archer, who, in April 2017, announced his intention to step down this year
* Previously served as president and chief operating officer of Broadwing Corporation Source text for Eikon: Further company coverage: