iroko was born in Tokyo, Japan and spent her early years there before studying at the International School Bangkok. She completed her first degree in International Education at Tokyo Gakugei University. Hiroko started experimenting with her father's camera in 2002. In 2003 she entered the University of Westminister to study photography and she completed her degree in 2007.

Hiroko has developed a style that is very identifiable as her own. Her strong sense of composition and mood has delighted many. In 2003 she won a Corporation of London special award at the Picture Editors Awards, which was presented at the Guildhall and marked the first professional acclaim of her talent.

Hiroko currently lives in London with frequent visits to Tokyo and Thailand.