Replacing Krzywosinski in Australia will be the current deputy managing director of Chevron Australia, Nigel Hearne, who only took up his current role in January in a move that had him widely tipped to be Krzywosinski's successor this year.

Krzywosinski will take over the role of vice president of engineering at ETC in Houston from 1 June and report directly to ETC president and chief technology officer Paul Siegele.

Hearne