[1][2] Mingkwan was born on 5 February 1952 in Bangkok, but grew up in the northern region, Chiang Rai.

He started working as a salesperson with Toyota Motors Thailand Co., Ltd. later moved up to the marketing department.

Mingkwan was chosen to hold office Director of the Mass Communication Organization of Thailand (MCOT) by starting work from the reform Thai color TV station, Channel 9, from the old era has become a modern television station in the name of Modern Nine TV until leading to privatization MCOT from government organizations became a state-owned public broadcaster.

Mingkwan was one of those who resisted the 2006 Thai coup d'état under the direction of Prime Minister Thaksin by helping Thaksin issue a declaration of state emergency in Bangkok via long-distance mobile phone from abroad broadcast on MCOT.

Then Mingkwan joined and served as head of the New Economics Party to apply for a 2019 Thai general election.