Sept 12 (Reuters) - Rockwell Diamonds Inc RDI.TO :
* Rockwell announces board and management changes
* James campbell, chief executive officer, has tendered his resignation
* Rockwell Diamonds Inc says Stephen Dietrich and Rick Menell have also tendered their resignations as directors
* Board undertook a strategic review on August 28, 2016, by means of a special board committee
* Board structure will also change to accommodate resignation of two non-executive directors
* Board determined that further intervention on operations,plant completion was necessary, while "new opportunities" being assessed Source text for Eikon: ID:nCNW5d6L2a Further company coverage: RDI.TO