Between July 1992 and April 1993 Carsten was a trainee with Centrale de Bilans of Banque de France, Paris where he worked on the development of valuation criteria of exporting companies for an expert system.
From July 1994 until June 1997 he worked as a Consultant with Associés en Finance, Paris and was in charge of the Implementation of Security Market Line models at Zürcher Kantonalbank and HSBC Trinkaus.
Carsten then spent 10 years as Chief Analyst Insurance at WestLB in Düsseldorf, managing a team of 4 analysts and 1 assistant in charge of analysing Allianz, CNP and special insurance topics. He specialised in Asset Liability and accounting issues and was nominated Deputy Head of Research in July 06.
From 2008 to 2012, he worked for Société Générale as Senior Insurance ALM analyst/ Managing Director.
In 2012, he founded and became the Managing Director of Zielke Research Consult GmbH in Aachen, which is specialized in analysing and consulting insurance companies in asset-liability-management, regulatory and accounting issues.
Carsten is a former EFRAG TEG Member who served for the maximum of 6 years from 2006 until 2012. Since his mandate of EFRAG TEG Member terminated, Carsten has been the Vice-Chairman of EFRAG User Panel and Observer of the EFRAG Technical Expert Group. He has remained a Member of the EFRAG Insurance Accounting Working Group.