He is a former Deputy Minister of Ministry of Public Health,[1] a Bangkok Member of Parliament, deputy leader of Pheu Thai Party and leader of Pheu Thai Bangkok MPs.

He is a nephew of Dr. Suthee Minchaiynunt, a billionaire, landowner, philanthropist, and the Honourable President for Life of Thai-Chinese Chamber of Commerce.

One of Vicharn's brothers, Wirat Minchainant (Thai: วิรัตน์ มีนชัยนันท์), was a three-time Member of the Bangkok Metropolitan Council.

Vicharn holds a Master of Arts degree (Political Science in Public Administration) from Thammasat University.

At the age of 25, Vicharn became a member and a chairman of Min Buri District Council.