Ryoichi Jinnai is the founder of Promise and he has an estimated net worth of $1.1 billion as of April 2013 according to Forbes. The one who began the third-biggest consumer finance company where he served as the honorary chairman, his earnings made him the 28th wealthiest individual in Japan’s 50 Richest list in addition to the 1268th in the list of World Billionaires. In 2001, Mr. Jinnai retired from the consumer lender company, the same year that his only son Hideki expired. The place is well known for its arctic winter. In December 2011, the business he founded was obtained by Sumitomo in a stock swap.