白松 昌之 is listed as a キャピタリスト (capitalist) on the MITSUI SUMITOMO INSURANCE Venture Capital capitalist page, which is the firm's published investment roster. The firm's own profile of him or her reads, verbatim: 「1997年東海銀行入行。2002年オリックス・キャピタル、2009年安田企業投資、2012年当社に入社。」 The same page publishes a 主な担当先 list of the portfolio companies he or she is responsible for, which is the basis of the notableInvestments recorded here; entries the firm tags IPO or SOLD on that page are past outcomes rather than statements of a current shareholding.