Mark Tetto (born March 1, 1980) is an American who lives and performs in South Korea as a television personality and businessman.

"[citation needed] He is known to be living in a traditional Korean house (hanok) located in Bukchon, Seoul.

The beautifully designed and structured interiors of his house and his private collection of ancient Korean porcelains were often featured in TV shows.

[5] Mark has recently reported that he has been engaged in learning the Korean string instrument, gayageum.

He moved to South Korea to work as a Senior Manager in the Corporate Strategic Planning Team for Samsung Electronics from 2010 to 2014.