Senior Advisor Tadashi Tamaki has met various chief executive officers during his career at Nihon Keizai Shimbun (NIKKEI), which is one of the most representative economic newspapers in Japan. He was in charge of the electrical and electronics, semiconductor, communication, and trading industries as a reporter in the business news department.

Tadashi Tamaki wrote a critical biography about Gordon Moore, the founder of INTEL, while he held the position as chief of the NIKKEI US subsidiary in Houston, Texas.

Tadashi Tamaki currently works as Senior Advisor for the Japan Practice Group at Lee&Ko, and provides consulting services to a wide range of clients based on his deep knowledge about the economical relationship between Korea and Japan.