Takayoshi Koike joined Yamaichi Securities Co., Ltd. in 1991. He has also worked in Yamanouchi Pharmaceutical Co., Ltd., after which he joined Deutsche Bank Group in 2005. He later moved to The Goldman Sachs Group, Inc. in 2010. In September 2013, he established Capital & Innovation Co., Ltd.. He has worked on Integrated Resort (Japan Casino) commercialization since the establishment of his company. The company is mainly responsible for operating the website [Casino IR Japan] (http://casino-ir-japan.com/). The website [Casino IR Japan] is a politics and economic platform media specializing in IR (Integrated Resort). It is widely recognized by the Japanese government, municipalities and industries, reaching 100,000 users per month.