A QA Instructor is a professional who teaches students or employees about Quality Assurance (QA) principles, tools, and best practices in software development or related fields. They design curricula, deliver lectures, conduct hands-on training, and assess learners’ understanding of QA methodologies such as manual testing, automated testing, and test case management. QA Instructors may work in educational institutions, training centers, or corporate environments to help individuals and teams improve software quality and reliability.