[1] He is known for being a news anchor on several television stations including as a TV and radio host for many years.

He was stripped of his role as a Channel 3 news anchor in February 2006, which he believes was due to his criticisms of then-prime minister Thaksin Shinawatra.

Sookthinthai has not yet been certified by the Election Commission, because there was a coup d'état on September 19, 2006 by the Council for Democratic Reform (CDR).

In a general election at the end of 2007, he ran for MP in constituency 4, Bangkok (consisting of districts Lak Si, Bang Sue, Chatuchak, Phaya Thai) belonging to the Democrat Party, along with Atavit Suwannapakdee and Sakoltee Phattiyakul.

[4] In 2022, Sookthinthai had his first intention to run as a member of the Bangkok Metropolitan Administration Council (BMC) for Phaya Thai constituency, but then withdrew.