Background and career
Ryoichi Jinnai (神内 良一, Jinnai Ryōichi; August 15, 1926 – June 27, 2017) was the founder of Promise, Japan's third-largest consumer finance company, of which he is honorary chairman. He funded the Ryoichi Jinnai Conference Center in Fiji. Jinnai died of heart failure on June 27, 2017.
Sources
Net-worth figure: Celebrity Net Worth (October 2026), in USD. Biography and career facts: the person's Wikipedia article and linked reporting. Snapshot date for all StarWorth figures: 28 October 2026.



