Carsten Knobel

Carsten Knobel is not mentioned in either of the provided news articles. The articles discuss topics related to the financial sector, including reverse stress tests for large banks by the ECB, changes in supervisory boards, and leadership changes at a fintech company. The second article discusses the impact of rising oil and gas prices, particularly in relation to the potential effects of conflict in the Gulf on the chemical industry. Since Carsten Knobel is not mentioned, it's impossible to provide any information about his background, newsworthiness, recent events, or current relevance based on the provided text.