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Christian Katzenbach

@ckatzenbach.bsky.social

1.5K followers 500 following 130 posts

Professor for Media and Communication @ZeMKI.bsky.social @unibremen.bsky.social // Director @pgmt.bsky.social and MA Digital Media and Society // platform governance, (generative) AI, hype, regulation, tech discourses, norms

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Christian Katzenbach @ckatzenbach.bsky.social · Feb 13

We are hosting the 2025 @aoir.bsky.social Flashpoint Symposium in Bremen!

🎯 CfP "From Platform Governance to Generative AI: Concepts, Methods, and Data for Studying Tech Governance"
📆 3-4 June 2025, Bremen, DE
🗒️ Deadline for Abstracts: 15 February 2025
platform-governance.org/aoir-flashpo...

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Reposted by Christian Katzenbach

blake hallinan @blakeplease.bsky.social · Jun 9

@rscarlets.bsky.social will present the paper on policy specifications in AI governance on behalf of a team with @reynoldscj.bsky.social Vasilisa Kuznetsova @ckatzenbach.bsky.social + me in an excellent panel on platform governance from @ica-clp.bsky.social

Opening slide for "The devil is in the details: specificaitons of governing principles in private & public goernance of AI"

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Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · Jun 4

Our incredible #AoIR2025Symposium is almost over…

We are grateful for the opportunity to host so many brilliant scholars who share our passion for researching platform governance, content moderation, and generative AI.

Already looking forward to what comes next. Let’s keep the momentum going!

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Rebecca Scharlach @rscarlets.bsky.social · Jun 3

Full house at the #AoIR2025Symposium 🥹 so wonderful to see it all coming together and that so many tech governance scholars made it to Bremen!

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Christian Katzenbach @ckatzenbach.bsky.social · Jun 3

First panel at #AoIR2025Symposium, w/ Rasmus Kleis Nielsen, presenting new work w/ @deeliu97.bsky.social, Emilie de Keulenaar on the politics of "big tech". Prelim results for EU policy/political discourse: How is the term BIG TECH used, and by whom? (Focus on EU and US in the policy domain)

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Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · Jun 2

🥳 We're kicking off the #AoIR2025Symposium tonight in Bremen!

Thank you to everyone joining us for the next two days to critically explore the evolving landscape of platform and AI governance.

We look forward to lively discussions!

👉 platform-governance.org/aoir-flashpo...

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Esteban Morales @estebanmorales.bsky.social · Jun 2

On my way to the #AoIR2025Symposium while listening to Empire of AI by Karen Hao.

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Christian Katzenbach @ckatzenbach.bsky.social · Jun 2

So great to see everything fallen into place now, and know colleagues from around the world are coming to Bremen today. 🙌 @pgmt.bsky.social is proud to have you! platform-governance.org/aoir-flashpo...

Reposted by Christian Katzenbach

Rebecca Scharlach @rscarlets.bsky.social · May 31

So excited so many amazing people will join us and present their work. Trust me, by now I know this program inside & out. 🙃

Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 30

🎉Next week, we will kick off our #AoIR2025Symposium in Bremen with a fantastic program and lineup, and we have almost reached capacity!

This is your last chance to secure one of the remaining seats: members.aoir.org/event-6113333

See you next week!

👉 platform-governance.org/aoir-flashpo...

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Changing Cities e.V. @ccitiesorg.bsky.social · May 28

Die Straßenverkehrsordnung wurde überarbeitet – was bedeutet das für Superblocks?
Darüber sprechen wir bei unserem nächsten Superblock-Treffen mit Expert *innen für Straßenverkehrsrecht Dr. Janna Ringena & Dr. Hubertus Baumeister.
Wann: 12. Juni, um 19 Uhr
Wo: online, Anmeldung: buff.ly/1P0IYAa

Superblocksrunde mit Dr. Janna Ringena , Expertin für Straßenverkehrsrecht.
"Neue StVO und Superblocks. ein Dream Team?

Am 12. Juni um 19 Uhr, online

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Rebecca Scharlach @rscarlets.bsky.social · May 26

Posters are here, stickers are in print, things are getting real :O
One week to go until #AoIRSymposium2025 in Bremen

@ckatzenbach.bsky.social @pgmt.bsky.social
💖🫏🐕🐈🐓

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un Américain perdu à Paris @paris75009.bsky.social · May 21

The history of school street Rue Charles Baudelaire from 2020, 2021, 2022, to 2025. From car & concrete kid dangerous to a safe, lush greenscape & people friendly.

#paris #schoolstreets #15minutecity #urbanism #schoolsafety #france #school #bikes #pedestrians #children #greenspace #climatechange

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Christian Katzenbach @ckatzenbach.bsky.social · May 22

Great to have @nicsuzor.bsky.social in Bremen at @pgmt.bsky.social for #AoIR2025Bremen in two weeks!

Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 20

🔎 Today, we proudly introduce ‪@nicsuzor.bsky.social as the next speaker in our public Tuesday evening Panel, "Power and Politics in Tech Governance," at #AoIR2025Symposium in Bremen!

👉 Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...

Christian Katzenbach @ckatzenbach.bsky.social · May 22

@nicsuzor.bsky.social

Reposted by Christian Katzenbach

Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 21

🔎Next in line of our plenary speakers at #AoIR2025Symposium is @elinorcarmi.bsky.social! She will participate in our Concluding Plenary Panel, "Where Do We Go From Here?"

Welcome Elinor Carmi!

👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...

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Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 22

🔎We are excited to announce that @arnikazinke.bsky.social will also be a part of our #AoIR2025Symposium Concluding Plenary Panel, "Where Do We Go From Here?,”on Wednesday.

Welcome Arnika Zinke!

👉Full conference program and registration (few seats remaining): platform-governance.org/aoir-flashpo...

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Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 19

📢 @ckatzenbach.bsky.social will give a lecture on “Responsibility and irresponsibility of digital platforms” at “Wissen um 11”, the science matinee in Bremen.
📅 June 14, 2025 🕚 11 a.m. 📍Haus der Wissenschaft

👉 More Info: www.hausderwissenschaft.de/Verantwortun...

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Christian Katzenbach @ckatzenbach.bsky.social · May 14

Hosts: @pgmt.bsky.social, @unibremen.bsky.social, @zemki.bsky.social, @aoir.bsky.social.

Christian Katzenbach @ckatzenbach.bsky.social · May 14

Plenary speakers include: @elinorcarmi.bsky.social, Tarleton Gillespie, Natali Helberger, @ameliehldt.bsky.social, @tpoell.bsky.social, @ubiquity75.xyz, @nicsuzor.bsky.social, @jillian.bsky.social, @arnikazinke.bsky.social.

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Christian Katzenbach @ckatzenbach.bsky.social · May 14

I am getting excited! 3 weeks to go until our AoIR Symposium 2025 in Bremen will kick-off! The line-up of plenary speakers is wonderful, and the program so promising. If you are able to join in early June, don't miss to register for the few remaining seats. platform-governance.org/aoir-flashpo...

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Christian Katzenbach @ckatzenbach.bsky.social · May 13

Looking forward to have @bsky.charispapaevangelou.eu and @eugeniasiapera.bsky.social today 3-4pm CEST speaking at our online talk series @pgmt.bsky.social!

Lab Platform Governance, Media, and Technology (PGMT) @pgmt.bsky.social · May 12

⏰ REMINDER: Don't miss the next installment of our Online Talk Series "Behind the Scenes" with @bsky.charispapaevangelou.eu and @eugeniasiapera.bsky.social tomorrow!

👉 Sign up here and join us tomorrow at 3pm: platform-governance.org/online-talk-...

Christian Katzenbach @ckatzenbach.bsky.social · May 12

Q: Do you know studies on content-level changes at Facebook and Instagram since the JAN 07 Zuckerberg announcement, eg. more hate speech or misinformation? Asking for a press briefing today @pjleerssen.bsky.social @claesdevreese.bsky.social @gorwa.ca @bsky.charispapaevangelou.eu

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Christian Katzenbach @ckatzenbach.bsky.social · Apr 3

The (prelim) program of #AoIR2025Symposium is now live. 2 packed days "From Platform Governance to Generative AI", with Tarleton Gillespie, Natali Helberger, @tpoell.bsky.social, Sarah T. Roberts, @jillian.bsky.social and many more.
👉 More info/registration: platform-governance.org/aoir-flashpo...

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Claes de Vreese @claesdevreese.bsky.social · Mar 28

Exodus of critical voices.

75% of academics in the US are considering relocating according to @nature.com

yaledailynews.com/blog/2025/03...

Three prominent Yale professors depart for Canadian university, citing Trump fears

History department power couple Timothy Snyder and Marci Shore and philosophy professor Jason Stanley will begin teaching at the University of Toronto’s renowned Munk School in fall 2025.

yaledailynews.com

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Claes de Vreese @claesdevreese.bsky.social · Mar 27

Devastating number. 3 in 4 scientists consider leaving the US because of the Trump administration @nature.com

How to dismantle an entire sector!

Source www.nature.com/articles/d41...

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Christian Katzenbach @ckatzenbach.bsky.social · Mar 27

Congratulations, this is wonderful news now! Good for Aarhus, good for you! And good for us since Bremen-Aarhus is quite a nice train ride! And yes, Aarhus is lovely! 🚄🌊

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