Leadership Profiles

Our capable people lead GDH across Manufacturing, QA/QC, R&D and Quality Systems.

Khun Vichai Chaianmuay
Executive Director

Khun Vichai Chaianmuay

Managing Director

Engineering and business leader with decades of experience in systems engineering and pharmaceutical management, driving GDH’s quality, compliance and growth.

Khun Egasak Thumutok
Khun Egasak Thumutok
Quality Control Manager

B.Sc. in Pharmacy; QC operations & analytical supervision.

Khun Chatchavarn Chenboonthai
Khun Chatchavarn Chenboonthai
Research & Development Manager

M.Sc. in Pharmaceutics; solid dosage design & academia collaboration.

Khun Sunchai Supornwate
Khun Sunchai Supornwate
Quality Assurance Manager

Microbiology specialist; QA system & microbiological section lead.

Khun Suphannee Srilaor
Khun Suphannee Srilaor
Quality System Consultant

Decades of QA leadership & consulting in manufacturing and labs.