Donny Purnomo, J.E. S.T is a seasoned professional with an outstanding career in the field of standardization and accreditation. He currently serves as the Principal Secretary at the National Standardization Agency (BSN). A graduate of Physics Engineering from the Bandung Institute of Technology, he began his career as a laboratory staff member at ITB and subsequently advanced his career as a researcher and leader in various accreditation fields at BSN. With over two decades of experience, Pak Donny has played a pivotal role in enhancing the standards and accreditation of laboratories and certification bodies in Indonesia, making him a key figure in the national standardization landscape.