a.ikou's designer, Kojima Aiko was born in Kanagawa Japan.
She was graduated from Aoyama University 2002, then has an experienced working in trading company.

From 2005, she studied jewelries design at Hiko Mizuno Jewelries college and working as a lecturer till 2009.

2010, she started jewelries brand "a.ikou" ( it means "Let's go" in Japanese. )