Alexander von Humboldt Professorship for Artificial Intelligence 2022

Stefanie Jegelka

The fundamental research conducted by computer scientist Stefanie Jegelka has led to a better understanding and optimisation of graph neural networks (GNNs) and made her name. In Munich, she is called upon to drive our theoretical understanding of machine learning and develop algorithms as well as trustworthy machine learning tools.

  • Nominating University: Technical University of Munich
Porträt von Stefanie Jegelka
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Machine learning

Whether we are talking new antibiotics or an agent to fight viruses, we are constantly searching for new drugs. With the help of artificial intelligence, drug research could become cheaper and faster because combinations of active ingredients can be devised on the computer. But for that to happen, artificial neural networks must be able to make really reliable predictions about the properties of certain molecules, combinations of active ingredients and their side-effects.

The problem is that in informatics, chemical molecules, just like social networks, financial markets and maps, are one of the features of the natural world that are captured in graphs. The type of data classified as graphs poses a challenge to machine learning because graphs comprise a number of points, nodes and vertices that are connected with one another at corners and edges and form pairs. The connections are just as important for making statements about the properties of the respective entities as the individual data themselves - just as the properties of a molecule are determined not only by its individual atoms but also essentially by their configuration and bonding.

Artificial neural networks that process graphs are known as graph neural networks (GNNs). Until now, we have only partly understood how they need to be trained in order to ideally be able to reach reliable outcomes beyond the datasets they have learned when they are confronted with assessing unknown data. In addition to other outstanding work on machine learning, Stefanie Jegelka has made crucial contributions to optimising graph neural networks. Her theoretical observations have helped to improve GNN architecture; she has investigated the form in which the data should be presented to the machine, how the networks can be taught to weight connections correctly and what is actually going on in the inside, in the network’s black box. Thanks to these fundamentals, the statements made by GNNs have become more robust, traceable and reliable.

At Technical University of Munich, Stefanie Jegelka is invited to assume a professorship for Foundations of Deep Neural Networks, reinforcing the field of machine learning. Her aim will be to improve our theoretical understanding of machine learning and develop efficient algorithms as well as trustworthy machine learning tools.

Stefanie Jegelka at MIT 

Brief bio

Professor Dr Stefanie Jegelka completed her Diplom in bioinformatics at the University of Tübingen in 2007 and her doctorate in informatics at the University of Tübingen and ETH Zurich, Switzerland, in 2012. From 2012 to 2014, she was a postdoc in the Department of Electrical Engineering and Computer Science at the University of California, Berkeley, United States. After four years of teaching and conducting research as an assistant professor in the Department of Electrical Engineering and Computer Science at Massachusetts Institute of Technology, Cambridge, United States, she was appointed to the X-Consortium Career Development Associate Professorship at the same department in 2019. At MIT, she championed junior researchers and diversity, which she also intends to do at TUM. Stefanie Jegelka has received the German Pattern Recognition Award (2015), the Google Faculty Research Award (2016 & 2021), the Sloan Research Fellowship (2018) and the Two Sigma Faculty Research Award (2020).