Brennan Klein

Brennan Klein

Postdoctoral researcher


  • Complex Systems, Network Science, Compex Systems

About Brennan Klein

Dr. Brennan Klein is a postdoctoral researcher at the Network Science Institute, where he also received his PhD in 2020. His research research attempts to understand how complex systems are able to represent, predict, and intervene on their surroundings across a number of different scales—all in ways that appear to maintain the statistical boundary between them and their environment. This approach is used to study a range of phenomena from decision making, to experimental design, to causation and emergence in networks. He is currently working with Professors Alessandro Vespignani and Samuel V. Scarpino on a research examining the teleology of networks, or why there appears to be an apparent purpose or goal-directedness to the dynamics and structure of networks. He received a BA in Cognitive Science and Psychology from Swarthmore College in 2014, studying the relationship between perception, action, and cognition. Brennan makes art under the pseudonym JK Rofling (

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