T&G Global chief executive Alastair Hulbert has resigned, effective today, after four years in charge of the fruit marketer.

The Auckland-based company has called in long-term BayWa collaborator Thomas Bargetzi to act as interim CEO while it looks for a new boss, T&G said in a statement. Chair Klaus Lutz acknowledged Hulbert's "significant contribution" to the wider group during his tenure.

Hulbert was promoted to chief executive in 2013, having run the company on a temporary basis with then-chief financial officer Harald Hamster-Egerer after former head Geoff Hipkins departed suddenly amid media reports of a breakdown in his working relationship with senior management.

Hulbert had been T&G's head of international markets before his promotion after nine years running export subsidiary Delica Global.

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His departure comes a day after former deputy chair John Anderson's formal retirement from T&G's board.

T&G shares, of which BayWa owns 74 per cent, rose 0.3 per cent to $3.36.