sentences:  He left the company two years later after he was told he would have to wait 30–40 years to make chief executive.Blackcircles.com is now a significant player in the UK tyre retail market, generating sales of around $100m annually and looking after over 2,000,000 customers.In 2015 Blackcircles.com was acquired by Michelin, the largest tyre manufacturer in the world at that time.