May 9 – 13, 2023
Sofia, Bulgaria
Europe/Berlin timezone

25th IPPOG meeting

The 25th IPPOG Collaboration Meeting will take place from Wednesday 09th to Saturday 13th of May 2023 in Sofia, Bulgaria.


The meeting will be held in Sofia, Bulgaria. Zoom connections will be established during certain times to allow for the participation of people unable to attend in presence. But we encourage your physical presence.

  • Click on Videoconference (left)

Hotel suggestions
!! mention that you are there for Sofia Tech Park and IPPOG event

1. Worknomads
Preferential rate: Single or Double occupancy
Room type: Igloo: 65 euro OR Yurt: 85 euro
2. Metropolitan hotel
Individual room - 82 euro per night
Standard room- single occupancy - 92 euro per night
3. Novotel Sofia Hotel
4. Park Hostel Sofia Tech Park
Individual/double room - 34 euro per night.
Apartment for 4 person (max) - 59 euro per night
5. eurostars sofia city

Group Activity

Sofia Tech Park visit.


Please book your flights.
A list of hotels will be provided by Feb 15th.

Remote Attendees

Please mind the following points to help run the meeting smoothly:

  • When connecting to Zoom, please switch off your camera and mute your microphone. If you want or are asked to intervene, then unmute your microphone. If network allows and you don’t run into privacy issues, you can also switch your camera, as usually people like to see who is speaking.
  • For questions/comments please raise your hands! The Chair(s) will monitor the hands and pass you the word at the appropriate time.
  • The chat box will also be monitored in case you want to write a question/comment or are difficulties with the system
  • Zoom link

Working Groups

  • Applications for Society WG: TBD 
  • Masterclasses to New Countries WG: TBD 
  • Explaining Particle Physics to a Lay Audience WG: TBD 
  • Diversity, Inclusion & Accessibility WG: TBD 

Steering Groups

Panel Discussion / Workshop

This meeting's panel discussion will focus on Quantum Computing.

More details will be available soon.

IPPOG related events

Two events dedicated to students and teachers will be held on Friday and Saturday.



IPPOG members and Bulgarian teachers face to face meeting

First part: IPPOG outreach tools and activities presented and advertised to Bulgarian teachers. Short hands-on session


Second part: Teachers inspired by their participation in CERN teachers programs present how they applied the gained knowledge in the classroom and STEAM projects. 

Sharing experience of the science communication.


Third part (or in parallel): Poster session, by students attended CERN International Masterclasses



Particle therapy – status and future perspectives.

Presentations and brainstorm discussion

Collaboration Dinner

The Collaboration dinner will be held on Wednesday May 10th, 2022.

On the hotels, here is the list: 




Sofia, Bulgaria
Sofia Tech Park
Boulevard "Tsarigradsko shose" 111Ж, ет.2, 1784 м. Къро, Sofia, Bulgaria
Go to map
Registration for this event is currently open.