Born in Hyogo Prefecture, Japan.
Launched a self-taught photographic career.
In 2009, "Hotel Fareast", a collection of photographs taken over a five-year period on overseas travelers visiting Japan, won Photo Documentary Nippon Award (Guardian Garden). The collection, titled "Hotel Fareast", was published in 2009 by AKAAKA art publishing. (This “Hotel Fareast” project is
Currently still ongoing over ten years)
In 2011, immediately after the Tohoku Earthquake and Tsunami, Washio went on fieldwork with Naoki Ikezawa, a Japanese author/poet, in the affected areas. The outcome of the joint fieldwork were a publication "Haru wo Urandari Shinai" and a photography book "On The Horizon". In 2014, "To The Sea" a collection of photographs of coastlines across Japan taken over fifteen years, will be published by AKAAKA art publishing, in cooperation with Jean-Marie Gustave Le Clézio, a Nobel Prize novelist.
Washio's photographic works consistently and continually portray his home country, Japan