The lead auditor is responsible for planning and conducting the audit, reporting on the findings, and recommending corrective action. The requirements for becoming a lead auditor are that you should have completed training as an auditor with one of these major organizations and have at least two years of experience conducting audits. It is important to note that lead auditor course fees vary from country to country. https://www.eascertification.com/lead-auditor-course-fees/