“I always encourage my team to leave the place ready for the next group who come through,” says S&P/ASX 200 debutant chief executive Oleg Vornik, as he repositions a dozen black leather chairs around a large birchwood table.

We’ve rearranged the conference room in service of a good photo, but there is no busy minder or team of personal assistants hovering at the edges of the scene to restore order. For a guy running one of the world’s fastest-growing defence businesses, Vornik is disarmingly unmediated, understated, a self-described maths nerd who by luck and happenstance found himself in military hardware. A man who tidies up his own mess.