Tetyana Kosyakova holds undergraduate degree in linguistics (Kramatorsk University, Ukraine) and business administration (Goethe University Frankfurt), and a graduate degree in quantitative economics with major in marketing (Goethe University Frankfurt). During her studies she worked as student assistant in Deutsches Aktieninstitut. In 2017 Tetyana Kosyakova obtained her PhD degree at Goethe University Frankfurt.
Her research has a strong quantitative background and focuses on Bayesian modeling with application to marketing problems. She is working in the area of choice and demand modeling.