In addition, he has served as a director in many state enterprises such as The Transport Company Limited, Mass Rapid Transit Authority of Thailand and Aeronautical Radio of Thailand Limited and in 2008 to January 2012 as an independent director Audit Committee and Member of the Nomination and Remuneration Committee, Land and Houses Plc.

[5] In January 2015, Chadchart was appointed as CEO and managing director of Quality Houses [th] Public Company Limited (QH).

In February 2022, Chadchart officially launched his gubernatorial election campaign, with the slogan "Bangkok, a liveable city for everyone" (Thai: "กรุงเทพฯ เมืองน่าอยู่สำหรับทุกคน") with important policies such as creating a network of maps of crime hotspots, and developing a public transport system to make Bangkok a city of arts and learning.

Bhichit Rattakul, former Governor of Bangkok, and Nikom Wairatpanij, former President of the Senate of Thailand also joined Chadchart for the campaign.

[10][11][12] The memes are often in the same absurd hyperbolic style as the Chuck Norris jokes, and he was often compared to Hanma Yujiro from the Baki manga franchise.