He then furthered his education at the Faculty of Communication Arts, Chulalongkorn University While studying here, he also worked as a proofreading staff at Bangkok Post in 1968.

Suthichai Yoon won the Sriburapha Award because he dared to make the news of Narong Kittikachorn broke the police fort because of drunkenness.

Therefore, together with ML Sunida Kitiyakara, Thammanoon Mahapaorayae and fellow journalists by selling shares to the public to raise funds until it was about 2 million baht in the establishment of the first English daily newspaper for the Thai people owning the name of The Voice of the Nation on 1 July 1971.

[6] After the coup in Thailand in 2014, he was appointed as a member of the National Reform Committee on Mass Communication and Information technology in Prayut Chan-ocha government.

In 2018 Prime Minister Prayut Chan-ocha choose Suthichai served as a host for the press conference for Tham Luang cave rescue.