There’s no such thing as burnout in Sian Anderson’s world. In a typical week, the young exec charges around from her job as marketing manager at Atlantic Records, to present her 1Xtra radio show, or attend evening gigs and meetings - answering emails from employees (yes, she has employees) at consultancy and project management agency SighTracked on the way. Unsurprisingly, she doesn’t really recognise any division in her work/life balance.

“If I wasn’t working 24 hours, I can’t imagine ...