Orbital Corporation’s long-serving managing director and chief executive, Terry Stinson, has stepped aside with CFO Todd Alder appointed as his successor with immediate effect. Mr Alder joined the Perth-based technology company in January, after having served as chief financial officer of uranium company Toro Energy. Mr Stinson, who recently joined graphite-focused Talga Resources’ board as its chairman, will remain on Orbital’s board as a non-executive director.