Not all in-house legal teams are created equal. Indeed, there are practice heads at major law firms who would kill to have a scorecard of cutting-edge disputes like Shantha David’s, head of legal at Unison. For the last 20 years, David has been fighting for the rights of her union’s more than 1 million members, and taking plenty of big-name scalps along the way – including the UK government’s in a landmark decision before the Supreme Court over access to justice.