Our Leadership

Ms. Pittaya Tiasuwan

(Founding director and Authorized director to bind the company)

Age 68 Years


  • Director (Appointed 6 July 1990)
  • Managing Director – Supply Chain and Gemstones
  • Risk Management Director


  • Kilburn – Polytechnic – London, England City and Guilds of London Institute
  • Training Course about Gemological Sciences at the Asian Institute of Gemological Sciences (AIGS)

Training attended with regard to roles and responsibilities of corporate directors

Director Accreditation Program (DAP), Class 26/2004 Thai Institute of Directors (IOD)


Other listed companies
– None –

Non-listed businesses

  • Director of Pranda Group, 2 companies
  • Executive Director of Pranda Group, 3 companies

% of Shareholding as of 28 December 2023

PDJ 26,342,260 shares or 4.44% of paid up shares

Family Relationship among Directors and Executives

Younger sister of Mr. Pramote Tiasuwan