Prof. Ali Ahmad Sheikh serves as Professor of Microbiology at University of Veterinary and Animal Sciences, in Lahore, PAKISTAN. He has an interest in implementing Quality Management System, working with International Standards such as ISO/IEC 17025. He has implemented this standard at UVAS and received accreditation from Pakistan National Accreditation Council. Prof. Sheikh has also provided technical support on ISO 15189 to medical sector labs in Pakistan. He is a Lead Assessor of PNAC and Technical Assessor of ENAS, UAE as well as Gulf Accreditation Center. With the support from Health Security Partners, and ABM, Pakistan, he has provided technical support for establishing ISO 35001:2019 standard in various institutes of Pakistan.