He was born in Thailand but spent his teenage years growing up in the States. Graduated from ART CENTER COLLEGE OF DESIGN in Pasadena, CA in 1993 he returned to Thailand and begins his career as a freelance fashion photographer as well as assistant director. His breakthrough came in 1996 when he directed a low budget music video for a friend. It was well received and won a couple of local awards.

In 1997, Tenn along with his friends re-found Triton Company, which was originally founded by Tenn’s dad, Sihasak Xoomsai (who was one of Thailand renowned photographer/director so it is kind of in his blood). With Triton, his big break came when Leo Burnett asked him to do a commercial for Hennessy, which really took off and was air throughout Asia.

Since then he had won many awards both local and internationally such as; Tact award, BAD award, Mobeus award, London Advertising Award, Cannes, Cleo award, Asian Advertising Festival, just to name a few. His international list of clients include: DDB (HK), Leo Burnette (BKK, HK), J Walter Thompson (BKK,Taiwan), BBDO Bangkok, TBWA, O&M, SC matchbox,Lowe, Y&R (BKK, Singapore), McCann Erickson and FCB, Publicis (BKK, Singapore) and many more.

He’s a fresh & fun kinda guy with a burning passion for automobiles, which is one of his prominent fortes’ along with western (Americanized) point of view that he can distinctively applies to the Asian market.