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Steinn Sigurdsson is a prominent astrophysicist with extensive experience in academia and leadership roles. Currently serving as a member of the Board of Directors at ScienceCast, Inc. since September 2022, Steinn has been a board member at the Aspen Center for Physics since 2010, where leadership included chairing the Winter Conference Committee. As the Science Editor for the Astrophysical Journal since January 2012, Steinn focuses on editing research in astronomy and astrophysics. A professor of astrophysics at Pennsylvania State University since 1998, Steinn engages in both research and education, previously holding positions at the Kavli Institute for Theoretical Physics and various research roles at institutions such as Northwestern University and the University of Cambridge. Steinn's academic credentials include a PhD in Physics from Caltech and a BSc in Mathematical Physics from the University of Sussex. A former writer for Seed Media Group, Steinn has contributed to popular science communication.