Diana Estermann

Diana Estermann currently serves as Leiterin Finanzen at Rhomberg Sersa Rail Group, having transitioned to this role in December 2023. Previously, Diana held the position of Head of Finance & Accounting at Netcetera from November 2007 to November 2023, overseeing a team and managing the global financial operations of subsidiaries. Diana also has experience as a Dozentin für Rechnungswesen at TBZ Technische Berufsschule Zürich from October 2015 to July 2020, teaching accounting to students in a higher vocational program. Prior roles include Senior Accountant at Rio Tinto from November 2004 to October 2007 and Debitorenbuchhalter at Sefar AG from August 1999 to October 2004. Diana's education includes a Bachelor in Accounting & Controlling from KV Business School Zürich and a Fachfrau im Finanz- & Rechnungswesen with a federal diploma from BWZ Rapperswil-Jona, as well as a specialization in transactional analysis from EBI.