[1][2][3][4] Prior to his political career, he served as the chair of the board of Bangchak Corporation from 2012 and as chairman of the Stock Exchange of Thailand in 2024.

[5] Pichai Chunhavajira, commonly known by his nickname "Bank," earned a Bachelor's degree in Commerce and Accounting from Thammasat University.

He later pursued a Master's degree in Business Administration from Indiana University of Pennsylvania, USA.

From 2001 to 2013, Pichai Chunhavajira served as a director at PTT Exploration and Production Public Company Limited.

[6] From 2012 until April 25, 2024, he held the position of Chairman of the Board at Bangchak Corporation Public Company Limited.