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John F. Beacom is a Distinguished Professor of Physics and Astronomy at The Ohio State University and Director of the Center for Cosmology and AstroParticle Physics (CCAPP). His academic roles include leadership in astroparticle physics research and education. He holds joint appointments in both the Department of Physics and the Department of Astronomy within the College of Arts and Sciences. Beacom earned his Ph.D. in Physics from the University of Wisconsin (1997) and dual B.S. degrees in Physics and Mathematics from the University of Kansas (1991). He has held postdoctoral positions at Fermilab and Caltech before joining Ohio State in 2004. His research focuses on neutrinos, dark matter, and multi-messenger astrophysics, with emphasis on neutrino detection techniques, supernova physics, and cosmological implications. He leads major projects like the All-Sky Automated Survey for Supernovae (ASAS-SN) and contributes to the Deep Underground Neutrino Experiment (DUNE). Awards: APS Fellow (2014), NSF CAREER Award (2005–2010), multiple teaching awards for distinguished instruction. Grants: Extensive funding from NSF, DOE, and collaborative international initiatives. Labs/Teams: CCAPP, DUNE Collaboration, ASAS-SN project. His articles span neutrino physics, detector development, and observational astrophysics, reflecting interdisciplinary expertise in theoretical and experimental particle astrophysics.

• Neutrinos
• Dark Matter
• High-Energy Astrophysics
• +5 more

Simon Birrer is an Assistant Professor in Physics and Astronomy at Stony Brook University, specializing in cosmology and gravitational lensing. He holds a PhD from ETH Zurich (2016) and previously served as Kavli Fellow at Stanford University. Birrer leads research probing dark matter and dark energy using gravitational lensing phenomena. His group develops computational tools for analyzing strong gravitational lensing data to study cosmic expansion and dark matter distribution. Research areas include time-delay cosmography, Hubble constant measurements, and machine learning applications in astrophysics. Recent publications focus on multi-messenger gravitational lensing (2025), LSST survey applications (2025), and AI-powered lens modeling pipelines (2025). His work consistently addresses fundamental cosmological tensions like the Hubble constant discrepancy. Awards: Kavli Postdoctoral Fellowship (2019-2022) Kugelpyramide Lifetime Achievement Award Experimental Innovation Award (ETH Zurich) Research Group: Leads the SBU Strong Lensing group with 9+ graduate students and postdocs. The group participates in major collaborations including LSST Strong Lensing Science Collaboration (co-chair), LSST Dark Energy Science Collaboration, and TDCOSMO.

• Cosmology
• Gravitational Lensing
• Dark Matter
• +2 more

Aaron Tohuvavohu is a Research Fellow in the Division of Physics, Mathematics, and Astronomy at the California Institute of Technology. His work focuses on high-energy astrophysics, particularly gamma-ray bursts (GRBs) and multi-messenger astronomy. He is deeply involved in the Neil Gehrels Swift Observatory mission, specializing in real-time localization of transient events using the BAT-GUANO pipeline and collaborating with gravitational-wave detectors like LIGO/Virgo/KAGRA. His research emphasizes rapid-response observations of GRBs and gravitational-wave events, leveraging the Interplanetary Network (IPN) for precise localization. He has contributed to studies of short-hard GRBs associated with compact object mergers and long-duration GRBs linked to hypernovae. Notable projects include the CASTOR mission concept for UV photometry and detector characterization for next-generation astronomical instruments. Aaron's recent work includes analyzing Swift/XRT and UVOT observations of GRB afterglows, setting upper limits for electromagnetic counterparts to gravitational-wave triggers, and improving IPN triangulation algorithms. His publications reflect a systematic approach to transient astronomy, integrating data from multiple observatories for comprehensive event characterization.

• Astrophysics
• High Energy Astrophysics
• Gravitational Wave Astronomy
• +3 more

Dr. Shuo Zhang is an Assistant Professor in the Department of Physics & Astronomy at Michigan State University's College of Natural Science. Her research focuses on observational high-energy astrophysics and particle astrophysics, with particular emphasis on supermassive black holes, Galactic cosmic-ray origins, and large dataset analysis. As a member of the Event Horizon Telescope collaboration, she leads X-ray observation campaigns of the Galactic center supermassive black hole and its vicinity. Dr. Zhang received her educational training at prestigious institutions: Ph.D. in Physics, Columbia University, 2016 B.S. in Engineering Physics, Tsinghua University, 2010 Her research interests span observational high-energy astrophysics and particle astrophysics, focusing on supermassive black holes including Sgr A* flaring activities, outburst history, and radiation in quiescence. She investigates Galactic cosmic-ray origins and exotic physics, particularly TeV electrons and PeV protons pointing to Galactic PeVatrons. Her work constrains MeV-GeV proton/electron populations in the central 1 kpc of the Galaxy and examines supernova remnant and molecular cloud interaction sites. Dr. Zhang's recent publications reveal a strong emphasis on multi-messenger astronomy, combining neutrino, X-ray, and radio observations to understand cosmic particle acceleration. Her work spans from Galactic center studies of Sgr A* to extragalactic investigations of active galactic nuclei like M87. The research demonstrates increasing sophistication in analyzing complex datasets from multiple observatories including IceCube, ALMA, NuSTAR, and Chandra. Her notable scientific achievements include: NASA Hubble/Einstein Fellowship at Boston University (2019-2020) Heising-Simons Fellowship at MIT (2016-2019) NASA Earth and Space Science Fellowship for research on Galactic center supermassive black hole Dr. Zhang's career path demonstrates a steady progression from her doctoral work at Columbia University through prestigious postdoctoral fellowships to her current faculty position. She has developed significant expertise in X-ray observations using the NuSTAR space telescope and has been instrumental in Galactic plane survey campaigns. Her research group combines high-energy photon and neutrino signals from PeVatron candidates to address fundamental questions about cosmic-ray origins and particle acceleration mechanisms. As a member of the Event Horizon Telescope collaboration, Dr. Zhang contributes to cutting-edge research on black hole physics, utilizing multi-wavelength observations to understand accretion, feedback, and particle acceleration mechanisms around supermassive black holes. Her work bridges observational astronomy with theoretical astrophysics to address some of the most fundamental questions in modern astrophysics.

• High-Energy Astrophysics
• Particle Astrophysics
• Supermassive Black Holes
• +5 more

Gautham Narayan is an Associate Professor in the Department of Astronomy at the University of Illinois at Urbana-Champaign (UIUC), with affiliations in Physics and the National Center for Supercomputing Applications (NCSA). He holds roles as Deputy Director for Astrophysics Research at the NSF-Simons SkAI Institute and Deputy Director of the Center for AstroPhysical Surveys. His research focuses on multi-messenger and time-domain astrophysics, cosmology, and machine learning applications in astronomy. Education: PhD in Physics from Harvard University (2013) and BS (Hons) in Physics from Illinois Wesleyan University (2005). His work includes pioneering AI methods for transient detection, leading collaborations like the Young Supernova Experiment (YSE), and developing standards for LSST and WFIRST. He is a Simonyi NSF-CAREER Fellow and Analysis Coordinator for the LSST Dark Energy Science Collaboration. Research interests span cosmology, supernovae, and survey science. Key projects include establishing spectrophotometric standards via HST observations and advancing real-time analysis pipelines like ANTARES. Recent work emphasizes Bayesian models for supernova cosmology and multi-messenger astrophysics. Awards: Simonyi NSF-CAREER Fellowship. Collaborations include DESC, SCiMMA, and the KEGS team. Teaching includes courses on astrophysics and data science, with mentorship of students across undergraduate and graduate levels. Public outreach efforts include Astronomy on Tap events and science communication initiatives.

• Cosmology
• Time-domain Astrophysics
• Survey Science
• +5 more

Dr. Alvin J. K. Chua is an Assistant Professor at the National University of Singapore (NUS) under the NUS Presidential Young Professorship. He holds a joint appointment in the Department of Mathematics and a courtesy appointment in the Department of Statistics and Data Science. His research focuses on gravitational-wave astronomy , particularly extreme mass ratio inspirals (EMRIs) as key sources for the LISA mission. He develops computational and statistical methods for modeling GW sources and analyzing detector data, with recent work on machine learning and Bayesian inference techniques. His selected publications highlight advancements in modeling beyond-vacuum-GR effects in EMRIs non-local parameter degeneracies rapid relativistic waveform generation neural networks for GW inference statistical sampling on manifolds These works span gravitational-wave astrophysics , computational relativity , and applied statistics . Scientific recognition includes the NUS Presidential Young Professorship. He collaborates with the LISA Consortium and the North American Nanohertz Observatory for Gravitational Waves (NANOGrav).

• Gravitational-Wave Astronomy
• General Relativity
• Machine Learning for Science
• +3 more

Imre Bartos is an Associate Professor of Physics at the University of Florida, specializing in multi-messenger astrophysics that combines gravitational waves, neutrinos, and electromagnetic signals. His research investigates extreme cosmic explosions involving black holes and neutron stars, with emphasis on merger environments in active galactic nuclei. Groundbreaking work includes demonstrating how nearby neutron star mergers influenced Solar System composition, identifying AGN disks as factories for eccentric black hole mergers, and developing techniques to probe black hole origins through gravitational wave localization. His group participates in major collaborations including LIGO, LISA, and IceCube observatories. Professor Bartos received the Sloan Fellowship and shares Breakthrough Prize honors for contributions to gravitational wave astronomy. He leads observational programs using Chandra, VLA, and Fermi telescopes while mentoring students in computational astrophysics techniques.

• Multi-messenger Astrophysics
• Black Hole Mergers
• Gravitational Waves
• +2 more

Prof. Jorge Piekarewicz is a Professor of Physics at Florida State University (FSU), affiliated with the College of Arts and Sciences. He earned his Ph.D. in theoretical nuclear physics from the University of Pennsylvania in 1985, followed by postdoctoral research at Caltech and Indiana University. Since 1990, he has been a faculty member at FSU. Education: Ph.D. in Theoretical Nuclear Physics, University of Pennsylvania (1985) Postdoctoral Fellowships: California Institute of Technology and Indiana University Research Interests: His work focuses on extreme-density nuclear matter in neutron stars, bridging terrestrial experiments and astrophysical observations. Key areas include: Neutron star structure and equation of state Weak interaction probes (e.g., parity-violating electron scattering) Multi-messenger astronomy insights from neutron star mergers Covariant energy density functionals and symmetry energy constraints Articles Trends: Recent work emphasizes refining the nuclear equation of state using PREX-CREX experiments, gravitational wave data (e.g., GW170817), and Bayesian methods. Key themes include neutron skin thickness, crust-core interactions, and symmetry energy sensitivity. Service & Outreach: Nuclear Science Advisory Committee (2012–2015) FRIB Theory Alliance Director (2017–2021) INT National Advisory Committee Chair (2018–2020) OLLI Lecturer on stellar evolution and neutron stars Collaborations: Active involvement with CERN, FRIB, JLab, and the Facility for Rare Isotope Beams (FRIB). Research leverages facilities like the Relativistic Heavy Ion Collider and the National Superconducting Cyclotron Laboratory.

• Nuclear Theory
• Neutron Stars
• Dense Matter
• +6 more

Dr. Jonathan Gair is a Group Leader in the Astrophysical and Cosmological Relativity Division at the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) in Potsdam, Germany. Previously, he served as Professor of Astrostatistics at the University of Edinburgh (2018-2019) and as Reader (Associate Professor) in Statistics at the same institution (2015-2018). Dr. Gair's research focuses on gravitational wave data analysis and its applications to cosmology and fundamental physics. His work spans multiple areas of gravitational wave astronomy, with particular emphasis on: Developing and applying new methodologies for gravitational wave data analysis Using gravitational wave observations to derive cosmological parameters, particularly the Hubble constant Developing data analysis tools for the LISA space-based gravitational wave detector Exploring the scientific potential of gravitational wave observations for testing general relativity Creating computationally efficient techniques for parameter inference in gravitational wave astronomy Dr. Gair plays a leading role within the LIGO/Virgo collaboration in deriving cosmological constraints from gravitational wave observations. He currently chairs the LISA Science Group, overseeing the development of data analysis tools for the planned ESA-led LISA mission. His research has significantly contributed to our understanding of how gravitational wave observations can serve as "standard sirens" for measuring cosmic distances and probing the expansion history of the universe. Dr. Gair's work involves both theoretical development and practical application of data analysis techniques. He has developed methods for handling selection effects in rate estimation of gravitational wave events, techniques for mapping gravitational wave backgrounds using methods adapted from cosmic microwave background analysis, and approaches for incorporating model uncertainties into gravitational wave parameter estimation.

• Gravitational Wave Data Analysis
• Cosmological Parameter Estimation
• LISA Data Analysis
• +3 more

Carsten Rott is a Professor in the Department of Physics & Astronomy at the University of Utah and holds the Jack W. Keuffel Memorial Chair until December 2025. His academic journey began with a Ph.D. in Physics from Purdue University (2004), preceded by undergraduate studies at the Universität Hannover. Rott has held academic positions at institutions including The Ohio State University (CCAPP Senior Fellow 2009-2013), Penn State University (postdoc 2005-2008), and Sungkyunkwan University in South Korea (Assistant Professor 2013-2017, Associate Professor 2017-2025). He has been a member of the IceCube Neutrino Telescope collaboration since 2005 and serves on committees like the IceCube-Gen2 Coordination Committee and JSNS2 Speakers Board. His research spans Particle Physics , Neutrino Astronomy , and Dark Matter Detection . Key projects include analyzing IceCube data for sterile neutrino signatures, studying cosmic-ray anisotropy, and investigating terrestrial gamma-ray flashes. Notable achievements include the Bruno Rossi Prize (2021) for high-energy astrophysics contributions. Rott's work involves multimessenger observations (neutrinos, gamma-rays, radio signals) and detector calibration innovations, such as those for the JSNS2 experiment. Recent publications focus on atmospheric neutrino oscillation parameters, TGF spectroscopy, and dark matter constraints. He employs machine learning techniques (CNNs) for event reconstruction and leads initiatives like the IceCube Master Class for student engagement. Grants include funding for IceCube upgrades (2024-2026) and Hyper-Kamiokande collaborations (2023-2026). As department chair since 2023, Rott continues to bridge experimental particle physics with astrophysical discoveries.

• Particle Physics
• Astrophysics
• Neutrino Physics
• +5 more

Dr. Andrew Blake is a Lecturer in Experimental Neutrino Physics at the Department of Physics, Lancaster University. His research focuses on experimental neutrino physics, particularly neutrino event reconstruction and oscillation analysis using Liquid Argon Time Projection Chamber (LAr-TPC) technology. He collaborates on major international experiments including MINOS, MicroBooNE, SBND, and the future DUNE project at Fermilab. His primary research interests include: Precision measurements of neutrino oscillations Development of LAr-TPC detection technology Search for new physics beyond the Standard Model Neutrino interaction cross-section measurements CP symmetry violation in the neutrino sector Blake's recent publications (2025) demonstrate strong focus on: Advanced neutrino interaction measurements using MicroBooNE data Development of reconstruction algorithms for LAr-TPCs DUNE experiment capabilities for supernova detection and CP violation studies Validation methods for neutrino-nucleus interaction models He currently advises three PhD students: Krittika Adhikari (Experimental Particle Physics) Rachel Coackley (Experimental Particle Physics) Bethany McCusker (Experimental Particle Physics)

• Experimental Particle Physics
• Neutrino Physics
• Neutrino Oscillations
• +2 more

Kent Yagi is an Associate Professor in the Physics Department at the University of Virginia, specializing in theoretical astrophysics, gravity, and cosmology. His research focuses on using gravitational waves from compact objects like black holes and neutron stars to probe fundamental physics, including testing General Relativity in strong-field regimes and determining the equation of state of nuclear matter. Position: Associate Professor (2023-present), previously Assistant Professor (2017-2023) Education: Ph.D. in Physics from Kyoto University (2012) Prior positions: Postdoctoral Research Scholar at Princeton University (2015-2017), Postdoctoral Research Associate at Montana State University (2012-2015) Yagi's research centers on theoretical modeling of neutron stars and gravitational wave physics. He is particularly known for discovering the 'I-Love-Q' universal relations among neutron star observables that are insensitive to the equation of state. His work enables testing strong-field gravity and probing nuclear physics through gravitational wave observations. He also investigates binary pulsar systems as precision laboratories for testing gravitational theories beyond General Relativity. His research has significant implications for multi-messenger astronomy, connecting gravitational wave observations with electromagnetic counterparts to extract fundamental physics. The field has evolved rapidly since the first gravitational wave detection in 2015, and Yagi's theoretical predictions have helped shape how we interpret these observations to test gravity and nuclear physics in extreme conditions. NSF CAREER Award (2023) Sloan Research Fellowship (2019) IUPAP Young Scientist Prize (2019) Mead Honored Faculty (2018-2019) Yagi leads an active research group at UVA with multiple graduate and undergraduate students. His group collaborates with researchers across departments, including high energy physicists, nuclear physicists, astronomers, and researchers at the National Radio Astronomy Observatory. Current research directions include multi-band gravitational wave tests of general relativity, constraining nuclear matter parameters with GW170817, and developing parameterized post-Einsteinian gravitational waveform models for various modified gravity theories. The group has received multiple student research fellowships and awards, demonstrating strong mentorship and training of the next generation of physicists.

• Theoretical Astrophysics
• Gravity and Cosmology
• Gravitational Physics
• +6 more

Foteini Oikonomou is an Associate Professor at the Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU). She specializes in theoretical astroparticle physics, focusing on extreme astrophysical environments that accelerate particles to energies exceeding 10 20 eV. Current research includes multimessenger emission modeling of active galactic nuclei Expertise in cosmic ray acceleration and high-energy neutrino origin Active in teaching advanced astrophysics and particle physics Her work bridges astrophysics, particle physics, and cosmology, with particular attention to blazars, tidal disruption events, and ultra-high-energy cosmic rays. She contributes to major collaborations like GRAND and GCOS, developing future instrumentation for astroparticle detection. Recent publications explore cosmic ray propagation in diverse source populations, neutrino emission from transient astrophysical phenomena, and magnetic field line effects on particle acceleration. Her research has been featured in journals such as Nature Reviews Physics , Physical Review D , and The Astrophysical Journal . She teaches AST-3451 Astrophysics II and has previously taught particle physics (FY3403/FY8913) and general astrophysics (FY2450). Her outreach includes public explanations of ultra-high-energy cosmic ray research through popular science articles.

• Astroparticle Physics
• Multimessenger Astronomy
• Ultra-High-Energy Cosmic Rays
• +7 more

Harald Pfeiffer is a Professor at the University of Potsdam and Group Leader in the Astrophysical and Cosmological Relativity department at the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) in Potsdam. His research focuses on numerical relativity and gravitational wave astrophysics, particularly simulations of black hole and neutron star mergers to interpret observations from detectors like LIGO and Virgo. He holds a PhD from Cornell University and has held academic roles at the Canadian Institute for Theoretical Astrophysics (2009–2017). Notably, he was elected a Fellow of the American Physical Society in 2023 for his contributions to numerical relativity. His expertise includes developing computational tools to solve Einstein’s equations on supercomputers and analyzing gravitational wave data. Key interests include understanding spacetime behavior during mergers, improving waveform models, and preparing for future detectors like LISA. He collaborates extensively with international initiatives such as the LIGO Scientific Collaboration. Selected Awards: Fellow of the American Physical Society (2023) Research and Grants: His work bridges theoretical advances and observational data, contributing to waveform catalogs and detector sensitivity improvements. He leads a team advancing numerical relativity techniques for next-generation gravitational wave astronomy. Labs/Teams: Leads the Astrophysical and Cosmological Relativity group at the Max Planck Institute, fostering interdisciplinary research in gravitational wave science.

• Numerical Relativity
• Gravitational Wave Astronomy
• Black Hole Dynamics
• +4 more

Daniel Holz is a Professor of Physics and Astronomy & Astrophysics at the University of Chicago, affiliated with the Enrico Fermi Institute, Kavli Institute for Cosmological Physics, and the College. His research focuses on gravitational wave astrophysics, cosmology, and black hole dynamics, contributing to major discoveries like GW150914 and GW170817 as part of the LIGO collaboration. He holds a BA from Princeton and a PhD from the University of Chicago, with postdoctoral fellowships at the Albert Einstein Institute (Germany), Kavli Institutes in Santa Barbara and Chicago, and a Richard Feynman Fellowship at Los Alamos National Laboratory. Research interests include gravitational-wave standard sirens for cosmology, black hole-neutron star mergers, and testing general relativity. Awards include the NSF CAREER Award, Quantrell Teaching Award, and Breakthrough/Gruber Prizes (via LIGO). He chairs the Bulletin of the Atomic Scientists' Science and Security Board, guiding the Doomsday Clock, and directs the UChicago Existential Risk Laboratory (XLab), addressing nuclear, climate, and AI risks. His lab and collaborations leverage multi-messenger astronomy and advanced data analysis techniques. Notable contributions include pioneering gravitational-wave cosmology methods and advancing understanding of cosmic expansion tensions.

• Gravitational Wave Astrophysics
• Cosmology
• Black Holes
• +3 more