Dr. Ulrich Hahn, Dr. rer. pol., Dipl.-Wirtsch.-Ing. (TU), CISA, CIA, CRAM, CGAP, trains auditors professionally and conceptually, in particular for specialist certifications and audit management. In addition, he teaches, researches and publishes on IT, audit, governance and risk management and has worked on international specialist and management committees for IT, audit and governance. Dr. Hahn has gained his auditing and consulting expertise in IT service companies, international corporations and renowned auditing firms as well as in a large number of projects for non-profits, transnational organisations and financial service providers. Dr Ulrich Hahn is the founder and managing director of audit-line.