New Yorkers Amanda Hesser and Merrill Stubbs set up and grew popular recipe and kitchen equipment website Food52. Source link

Andrew Michael was 17 when he used his mother's credit card without her knowledge to launch a successful IT company. Source link

Technology company Celonis got its first business customers by writing them letters by hand to stand out from the crowd. Source link

How three college students set up popular restaurant chain Sweetgreen. Source link

Scott Farquhar is a tech entrepreneur worth $7bn (£5.3bn), but he almost joined a military academy instead. Source link

How tech firm Twilio was able to survive the global financial crisis and grow into a $14bn business. Source link

When Robin Hutson failed his school exams he went into the hotel industry instead, and made his fortune. Source link

The British entrepreneur who has set up a global dating app specifically for Muslims. Source link

How the UK's Mexican restaurant chain Wahaca won back confidence after a norovirus outbreak. Source link

Why Nisha Katona quit being a barrister to build an "authentic" Indian restaurant chain. Source link

How Bettys & Taylors went from running teashops to selling tea around the globe. Source link

How Sharan Pasricha used his entrepreneurialism to build a boutique hotel chain. Source link