Christina Erlwein-Sayer is senior quantitative analyst and researcher at OptiRisk Systems, where she works on financial analytics, in particular, models and tools for portfolio construction and fixed income risk assessment. Her main research interest lies in regime-switching models for finance. Previously, she was a researcher and consultant in the Financial Mathematics Department at Fraunhofer ITWM, Kaiserslautern, Germany. She currently leads the Eurostars project SenRisk on the development of sentiment-enhanced risk assessment tools. She is also member of Quantess London, the first community in London designed for female quants who have a passion in data, science, and finance. Quantess mentors and promotes females from across seniority and industries with a passion in quantitative fields to discuss practical research ideas. Christina holds a PhD in mathematics from Brunel University, London.
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