Professional Waste Technology (1999) Public Company Limited announced that at the board meeting held on October 17, 2023, the company approved the Miss Vilailuck Skulpakdee as Director, Chairman of the Executive Committee and Vice Chairman of the Board of Directors and sub-committees, because she has a very personal mission therefore unable to fully help the company by effective from October 16, 2023 onwards. It was resolved to approve the appointment Mr. Thanakon Jenvitayaroj assume position Chairman of the Executive Committee effective from October 17, 2023 onwards.