Apiwat Eauthavornsuk or Stamp (born May 13, 1982 in Bangkok, Thailand) is a Thai pop music singer-songwriter. He is signed to LOVEiS, which released his debut first EP, “Million Ways to Write Part I”, on December 18th, 2008. His second EP, "It's Been So Long", release on July 28th, 2010. "Supermarket" the third EP release on June 4, 2013. His latest work is "Sci-Fi". It's first major stuido album came out on June 30, 2014. Now he promote his single on his latest album, have a tour in Thailand and be a coach on The Voice (Thailand) Season 2 "Stamp Team".