Lei Jun
Lei Jun ( born 16 December 1969 ) is a Chinese billionaire entrepreneur who co-founded Xiaomi , one of the largest smartphone and consumer electronics companies in the world that in June 2018 raised US$4 . 72 billion after its listing at the Hong Kong Stock Exchange . 
<triplet> Lei Jun <subj> 16 December 1969 <obj> date of birth <subj> Xiaomi <obj> notable work <triplet> Xiaomi <subj> Lei Jun <obj> founded by