Life just keeps getting busier for former Treasury secretary Ken Henry. As well as writing a white paper for the Gillard government on Australia's engagement with Asia, he is now a member of the National Australia Bank board.

Steve Jobs didn't just create brilliant products. At least two of his greatest innovations, the iTunes Store and the App Store, could be considered to have created entire industries, or at least allowed struggling sectors to flourish.

Mark Carnegie's proposal for the wealthiest 15% of Australians to pay an additional 15% tax won't be an immediate priority to emerge from this week's Tax Forum, but it's likely to be the one that's still up for discussion in the years to come.

Angry unionists, warring associations, powerful CEOs trying to defend their pay packets and the enthusiasm of one particular independent: this tax forum's got the makings of a day out at the circus. Pity the politicians looked a little uninterested.

Recently retired CEOs can pack away the golf clubs. Graham Bradley's two-year term as president of the Business Council of Australia is set to expire shortly, leaving his post up for grabs.

Greg Medcraft must be a sucker for a challenge: he's taken the lead of Australia's corporate watchdog at a time when it desperately needs to bare its teeth, and while the markets continue to fluctuate wildly.

Jonathan Chancellor, editor of The Power Index's sister publication Property Observer, has the scoop on where the powerful are buying and selling this week.

Mining magnate Andrew Forrest may be able to dodge a corporate regulator bullet after winning the right to appeal a Federal Court ruling which found him guilty of misleading investors seven years ago.

Andrew Bolt was found guilty of breaching the Racial Discrimination Act, Julia Gillard hired a former Tony Blair enforcer, and Paul Howes helped launch a new left-leaning think tank: this is The Power Index's roll call of people who mattered this week.

The competition watchdog's new chairman is no pup when it comes to law enforcement.