Having long experience in financial industry, Hiroki self-studied human’s behavior and decision making processes which led him to establish an Internet ad agency, Glad Cube Inc. The company supports customers’ Internet ads based on his findings around human’s behavior and it won Google Performance Awards 5 times in a row including the Best Performance Award. Having experiencing in Internet ad market, the company has now launched SiTest that analyses and optimizes websites to improve customers’ revenues. SiTest has also embodied machine learning technologies and its users has reached over 100,000 websites.