ADX said Zimmer would retain a role as a non-executive director.
Paul Fink has been appointed chief executive and will assume the role of executive director.
Ian Tchacos will assume the role of executive chairman supporting Fink "to reinvigorate the company with a view to progress its current assets, expand its portfolio and secure new sources of funding in line with a new growth strategy for the company," said ADX.
Zimmer
