Matthew Guariglia @mguariglia.bsky.social Historian of race, policing, surveillance, and technology. Senior Policy Analyst at EFF. Sometimes teach at Emory. The Church Committee Report is out now! My views are not my employers.
MatthewGuariglia.com
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
@jparishy.bsky.social @jparishy.bsky.social CTO at @simsiinc.bsky.social
Changing the world one excited problem-solver at a time. Here for anything and everything related to Public Safety and Criminal Justice.
Also ⚾️, 🎱, and ✈️
Torbjørn Skardhamar @skardhamar.bsky.social Professor of sociology, university of Oslo
Andrew Cairns @acairns.co.uk Using metaphors and analogies to explain Software Engineering in fun ways: https://youtube.com/@metaphoricallyspeaking
Staff Software Engineer. Passionate about DDD, CQRS, Event Sourcing and Distributed Systems.
Kayaking, too.
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Ian Wiggett @wiggett-ie.bsky.social Cymro, Kernow, Wrestler. Policing stuff.
Christopher L. Keller @chrislkeller.com Award-winning journalist for The Associated Press.
Stretch-4 putting in work on the offensive and defensive glass.
Aspiring to play lead and rhythm guitar.
My posts disappear.
@jjhall.bsky.social @jjhall.bsky.social 
Data Elixir @dataelixir.com Data Elixir is a weekly newsletter with curated data science picks from around the web. Subscribe at dataelixir.com and follow us here for selections between issues. Covering machine learning, data visualization, analytics, and strategy. 
Daniel Burge @daniel-burge.bsky.social Director of the Rivlin Initiative at the D.C. Policy Center.
Analyzing economic, demographic, and migration trends shaping D.C. and the broader region.
#EconSky | #PolicySky | www.dcpolicycenter.org | @dcpolicycenter.bsky.social
Adrian @adrianmartin.bsky.social New England Revolution fan in Rochester, NY. Dad. Soccer, data science, bicycling, policing, crime, & cities. #NERevs #MLS #USMNT #USWNT #ROC
No such thing as a bad pun.
Jessica Pishko @jesspish.bsky.social she/her
Book on sheriffs & democracy
https://www.penguinrandomhouse.com/books/707263/the-highest-law-in-the-land-by-jessica-pishko/
Repped by @rhaliterary
DM for Signal or email jesspish@gmail.com
“Women aren’t typically this crazy about politics.”
Dan Goldstein @dggoldst.bsky.social Partner Research Manager at Microsoft Research NYC. AI, Economics, Decision Science.
Jeffrey Butts @jeffreybutts.bsky.social Research Professor and Center Director, John Jay College of Criminal Justice (City Univ of New York). Kid from Ohio, living in Manhattan - https://JeffreyButts.net -
#justice #criminology #research
Walter @walterkatz.bsky.social Policy and politics at the intersection of race, tech, and justice.
MuckRack: https://muckrack.com/walter-katz/articles
@ncabreram.bsky.social @ncabreram.bsky.social Researcher | PhD candidate in Criminology | Cambridge
Marc A. Levin @marclevin.bsky.social Chief Policy Counsel, Council on Criminal Justice. Advancing public safety, individual liberty, and equal justice for all.
Hannes Mühleisen @hannes.muehleisen.org I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
Chris Harris @charris.bsky.social Associate Professor, School of Criminology & Justice Studies, UMass Lowell | Research focused on police accountability | Husband, father of 2 | Super Nerd | He/Him | My will is not my own
Evidence Base @evidencebasejnl.bsky.social Journal dedicated to promoting the creation of empirical evidence for criminal justice interventions, policies & practices
https://www.tandfonline.com/journals/rebj20
Alex Trinidad @alextrinidad.eurosky.social Psychologist/Criminologist, @unicologne.bsky.social | Co-Chair @opencriminology.bsky.social
🌐: alexandertrinidad.com
Max Pickartz 📊 @maxpi.bsky.social interested in sociology, computational social sciences, criminology, causal inference, spatial analysis and more | #rstats | he/him
@asebp.bsky.social @asebp.bsky.social 
Vânia Ceccato @vaniaceccato.bsky.social KTH Professor, Digital Futures faculty, #@Safeplaces_Network #BSC_international ambassador #ASC #ESC visiting prof Borås university
Tim Dooley @tdooley.bsky.social Now: public safety policy for Oregon Counties
Then: policing manager & data nerd, firefighter / EMT
MPA & MCJ from UCCS
John Shjarback @shjarback-ccj.bsky.social Policing/Criminal Justice Researcher. Associate Professor in the Dept. of Law & Justice Studies at Rowan University. Views are my own.
Johnshjarback.com
christhomas.bsky.social @christhomas.bsky.social Rutgers prof. Research: punishment & inequality, race, computational social science. Deep Springs, Columbia, CUNY alum.
David Buil-Gil @davidbuil.bsky.social Senior Lecturer in Quantitative Criminology at @criminologyuom.bsky.social and Director @crimrxiv.com. All crime data are wrong, but some are useful
Antonn Park @bfediting.bsky.social Freelance editor, economics and justice policy research (https://www.blueflowerediting.com) 🏊🏾♀️ 🚴🏾♀️
John Pfaff @johnpfaff.bsky.social Professor at Fordham Law. Prisons and criminal justice quant. I'm not contrarian, the data are. Author of Locked In. New stuff at johnfpfaff.com.
@avpapachristos.bsky.social @avpapachristos.bsky.social 
Brenden Beck @brendenbeck.net Sociologist at the Rutgers School of Criminal Justice studying policing, city budgets, suburbs, and housing. brenden.beck@rutgers.edu
Matthew Valasik, Ph.D. @mattvalasik.bsky.social •Criminologist •Associate Professor @uofalabama.bsky.social •Gangs, Alt-Right / White Power Movement, Policing, GIS
Author of Alt-Right Gangs: A Hazy Shade of White from @ucpress.bsky.social
mvalasik.people.ua.edu
Iain @routineactivity.bsky.social Geo/Data professional. Public Safety and Policing.
Create and share resources for crime analysts: https://sites.google.com/view/routineactivity/home
Blog sometimes on Medium:
https://medium.com/@routineactivity85
Jose Pina-Sánchez 🇪🇺 @jpinasanchez.eurosky.social Professor of Quantitative Criminology and co-director of the Social Research Methods centre at the University of Leeds. Interested in #Cars&Crime #OpenResearch #Measurement #CriminalJustice #Sentencing #Disparities.
jmpinasanchez.github.io/
Nicholas A. Christakis @nachristakis.bsky.social Sterling Professor of Social and Natural Science at Yale University. Sociologist. Network Scientist. Physician. Author of Apollo's Arrow; Blueprint; Connected; and Death Foretold. Director of the Human Nature Lab: https://humannaturelab.net
Vicki @vickiboykis.com Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon).
https://vickiboykis.com/what_are_embeddings/
Randall Munroe @xkcd.com 
Charles C. Lanfear @clanfear.bsky.social Associate Professor, Institute of Criminology, University of Cambridge
Social control, crime, quant methods, R coding
clanfear.github.io
Dave Kirk @dave-kirk.bsky.social Professor of Criminology at UPenn
James Rozier @jrozier.bsky.social Crime/Data Analyst - Husband, dad, UNCC graduate, #RStats & #GIS nerd, and former Intel Analyst for the US Army. Research focus is black/gray-market firearm trafficking.
Nick Wilson @nickbwilson.bsky.social Senior Director of Public Safety Policy at Center for American Progress. Opinions are my own.
Andy @andyhorn.bsky.social Data. Running. Policing. Adventuring. Tech. Wilderness.
Grant Drawve @gdrawve.bsky.social Focusing on how “Place Matters” at CAP Index
Former Academic, passion for crime analysis, and Lego
AndreasThinks @andreasthinks.me Data science, crime and AI in government person | he/him
https://andreasthinks.me/
GioCirco @giocirco.bsky.social Data scientist, criminologist, lapsed academic. I study health outcomes and gun violence.
Oren Gur @orengur.bsky.social Philly. Criminologist. Prosecution and other research, policy, data. Likes are bookmarks, opinions are mine. Data.philadao.com for you
John Roman @johnkroman.bsky.social Director, Center on Public Safety and Justice, NORC at the University of Chicago. Essays: https://johnkroman.substack.com/.
Police In-Service Training Podcast @policeinservice.bsky.social This podcast is dedicated to providing research evidence to street-level police officers and command staff alike. The program is intended to help the police create better programs, understand challenging policies, and dispel myths of policing.
Justin Nix @jnixy.bsky.social Associate Professor in the School of Criminology and Criminal Justice at UNO.
Forever a Gamecock though.
Research interests: police, procedural justice, use of force
Reka S @rsolymosi.bsky.social Senior Lecturer at Uni of Manchester. Interested in data, tech, transport & crime (prevention). She/her. 🌐: http://rekadata.net
Juanjo Medina 🍉🇺🇦 @jmedina1.eurosky.social Social scientist (Andalusian by birth, Manc by exposure) interested in police reform, violence, crime prevention & environmental criminology. Surviving University of Seville (Spain). https://juanjomedina.com
Richard Wortley @richard100.bsky.social Crime science
Iain Brennan @iainbrennan.bsky.social Professor of Criminology at University of Hull, UK. Violence research and prevention. Institutional Lead for Open Research.
Ian A. Silver @ianasilver.bsky.social Quantitative and Public Health Criminologist at RTI interested in Youth Justice, Corrections, Pretrial, Criminal Justice Policy, and Applied Statistics. All opinions are my own. Personal Website: www.ianasilver.com.
Amy Nivette @nivette.bsky.social Associate professor, Department of Sociology, Utrecht University. Studies crime things. 🏳️🌈
Asier Moneva @asiermoneva.com Criminologist | Researcher in cybercrime @nscr-instituut.bsky.social & The Hague University of Applied Sciences | Co-Chair @opencriminology.bsky.social
🌐: asiermoneva.com
💬: 🇬🇧🇪🇸🇳🇱
📍: Amsterdam - The Hague
Jeff Asher @jeffasher.bsky.social Co-Founder AH Datalytics. NOLA kid. Longhorn. Former CIA officer. 2004 Intramural Softball Champion (C-League). Not a criminologist!
Newsletter: https://jasher.substack.com/
Jasher@ahdatalytics.com
"Some genius, Jeff Asher" - Ann Coulter
Dr. Alex Piquero @dralexpiquero.bsky.social Professor of Sociology & Criminology and Arts & Sciences Distinguished Scholar at The 🟧_🟩. Former Director of the Bureau of Justice Statistics (appointed by President Biden). 🇨🇺-🇺🇸
Alex Sutherland @criminologist.bsky.social Criminology, public policy, research and experiments
https://sites.google.com/researchdesign.uk/alexsutherland
Newest paper https://link.springer.com/article/10.1007/s11292-025-09726-0
Toby Davies @toby-davies.bsky.social Associate Professor at School of Law, University of Leeds. I hate it when people put 'all views are my own' here.
Jerry Ratcliffe @jerryratcliffe.net College prof, ex-UK cop, host of the Reducing Crime podcast, scientific advisor to the IACP. In my spare time, I try not to crash planes.
Google Scholar: https://scholar.google.com/citations?user=BOJIm0QAAAAJ
ORCID: https://orcid.org/0000-0002-0730-6761
Gavin Hales @gmhales.bsky.social Researching/discussing policing, crime and the criminal justice system. Senior Associate Fellow @policefoundationuk.bsky.social but my own views.
Based in London, UK.
Stijn Ruiter @stijnruiter.bsky.social Criminologist/Sociologist, NSCR/Vrije Universiteit Amsterdam; board member energy coop DE Ramplaan 🇪🇺
Lisa Tompson @lisatompson.bsky.social Crime Scientist UK -> NZ Interested in generating and synthesising evidence for better crime prevention and policing policy. Methodologically promiscuous.
Manne Gerell @mannegerell.bsky.social Associate Professor in Criminology & co-founder Centre for policing & prevention, Malmö Uni, Sweden.
Research on police, the geography of crime & fear, & crime prevention.
Matt Ashby @mattashby.com I help people use data to reduce crime. Associate Professor, Crime Science, UCL. Former police officer.
🌐: mattashby.com
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app