Stefan Guettel

Professor Stefan Guettel holds the academic rank of Professor of Applied Mathematics at The University of Manchester. His research focuses on numerical analysis, scientific computing, and matrix computations, with particular expertise in rational approximation, nonlinear eigenvalue problems, and Krylov methods. He has contributed to impactful research in areas such as computational efficiency, clustering algorithms, and randomized sketching techniques.

Guettel has received prestigious awards including the James H. Wilkinson Prize (2021) and the Taussky–Todd Prize (2023). His work emphasizes practical applications of numerical methods in solving complex scientific and engineering problems. He has been actively involved in professional organizations such as the International Linear Algebra Society and served as SIAM UKIE Secretary/Treasurer from 2016 to 2018.

His recent publications (2024) highlight advancements in Arnoldi processes, clustering algorithms, and randomized sketching for eigenvalue problems, demonstrating a focus on computational efficiency and algorithmic innovation. Guettel has also contributed to industrial safety through alarm system modeling and advised on pandemic response strategies during the UK’s efforts against COVID-19.