By Charlie Conchie Every week, Charlie Conchie sits down with the biggest name in tech, fintech and financial services. This week, it’s Robinhood’s UK president, Jordan Sinclair. Jordan Sinclair is a man with an unconventional approach to parenting. For centuries fathers may have been looking to settle their kids with lullabies, toys or a bedtime story. But the man leading the UK business of flashy retail trading firm Robinhood takes a different tack with his eight-month old twins: walking them through their fledgling investment portfolios. “Maybe they can’t respond yet and maybe they don’t be…