He was previously a professor at the University of California, Los Angeles, is a fellow of the American Mathematical Society, and was awarded the Karp prize (the most significant prize in mathematical logic) for his joint work with van den Dries and van der Hoeven on asymptotic differential algebra and the model theory of transseries. Matthias was also an invited speaker at the 2018 International Congress of Mathematicians in Rio de Janeiro. We welcome him wholeheartedly to Vienna!