A few tips on becoming a Certified Internal Auditor. Ideal for anyone interested in ISO 9001 Internal Auditor, OHSAS 18001 Internal Auditor, ISO 14001 Internal Auditor, TS 16949 Internal Auditor and ISO 22001 Internal Auditor. Genesys Training is a leading provider of training services specialising in management systems training in quality, environmental and health & safety standards including ISO 9001, ISO 14001, ISO 50001 and OHSAS 18001.