Tanja Ferro is head of auditing. Her main focus is on the audit of pension funds and non-profit companies. She is a proven expert in Swiss GAAP FER 21 as well as Swiss GAAP FER 26. Since 2020, Tanja Ferro has been a member of the Board of Trustees of the BDO AG pension fund. Tanja Ferro has been with BDO since 2009. Prior to that, she completed her training as a certified auditor at a Big 4 company and studied economics at the University of Basel.