** Morningstar says the departure of Mark Vasella as CEO of BlueScope Steel BSL.AX is not surprising, given his age - nearing mid-60s - and long tenure
** Steel manufacturer appoints Tania Archibald as new CEO and MD, effective February 2026; current chief Mark Vassella to retire after eight years at the helm
** Investment research firm finds incoming CEO Archibald to be a "sensible fit" for the position, with extensive company and senior leadership experience
** Archibald is currently CEO of BlueScope's Australian steel business; has been with BlueScope for three decades
** Morningstar says Archibald is unlikely to make significant changes to organisational strategy considering her role in its design
** BlueScope down 0.8% at A$21.665 on the day, tracking 1.4% decline in the broader mining sub-index .AXMM
(Reporting by Nikita Maria Jino in Bengaluru)
((Nikita.Jino@thomsonreuters.com;))