Australian financier Lex Greenwill set up Greensill Capital in 2011 following a career in the City. Ian Tuttle/Shutterstock
Australian financier Lex Greenwill set up Greensill Capital in 2011 following a career in the City. Ian Tuttle/Shutterstock

Lex Greensill was a farm boy turned billionaire banker but his eponymous finance house has hit the buffers