<p style="text-align:start;" size="0" _root="undefined" __ownerid="undefined" __hash="undefined" __altered="false">Orphaned as a child, Lee Su-jin spent his early 20s working as a janitor in South Korea. Now 45, he makes his debut on the Korea’s 50 Richest list at No. 26 with a net worth of $1.2 billion.</p>