Open Source Summit Europe

This event has passed. Please visit the upcoming Open Source Summit Europe.

Speaker Guide


We are excited to welcome you as a speaker for Open Source Summit Europe 2023. The event is happening both in person at the Euskalduna Conference Centre in Bilbao, Spain and virtually on Tuesday, September 19 – Thursday, September 21, 2023.

Please click through the tabs on this page to access information.

Important Dates & Deadlines

  • Speaker Registration Deadline: Friday, July 14. You should have received registration information in your speaker notification email. Please email if you need this information sent to you again.
  • Additional AV Request Deadline: Tuesday, August 22
  • Slide Submission Deadline: Monday, September 18
  • Event Dates: Tuesday, September 19 – Thursday, September 21, 2023
  • Timezone: Central European Summer Time (GMT +2)


Your registration serves as confirmation that you will be speaking, and you will need to register by Friday, July 14, 2023. Please see your notification email for the discount code. 

At this time, proof of vaccine or a negative COVID-19 test is NOT required to attend the event in person. You can view detailed information on the Health + Safety page.

All speakers receive complimentary registration and any co-speakers or panelists can register using the same details provided to you.

Visa Letter Requests

If you require a visa letter, please register for the event and then complete the visa letter request here.

Travel Funding

If you are applying for travel funding and have not submitted your request, please do so as soon as possible. The deadline for travel funding applications is July 31, 2023. You can access the form here

*Please note: Talk acceptance does not guarantee travel funding.

Venue & Hotel Accommodations

This year’s event will take place at the Euskalduna Conference Centre in Bilbao, Spain.

We have negotiated a discounted rate at several hotels in the area. Please visit our Venue & Travel page for more information. Please note, rooms will most likely sell out in advance of the room block close dates listed. We encourage you to book early to secure a room at the conference rate. 

Schedule, Timing & Speaker Profiles

The schedule will be announced Tuesday, June 29, and will be posted on our website using

Most breakout sessions are 40 minutes in duration; lightning talks are 10 minutes in duration; and tutorials are 90 minutes in duration. Please view the schedule for your exact session time. 

If you have a conflict with the timing of your talk or find that it conflicts with the content of another talk; or are having problems uploading your bio and photo, please contact If you would like to make updates to your speaker profile on (biography, headshot, titles), send updates directly to, so they can be integrated with the virtual platform.

AV Details & Requirements

Please note the following technical requirements:

  • All speakers must supply their own computers and adapters to use during their talk.
  • Presentation slides should be formatted in 16:9. 
  • The room will include a screen, projector, and (2) microphones; panels will have 1 wireless handheld microphone for every panelist to share.
  • If you require any additional AV, please email with those needs by Tuesday, August 22. The Linux Foundation will make every effort to accommodate additional AV needs; however, final approval for additional AV requests will be made on a case-by-case basis.

Presentation Template & Slide Upload

All speakers are required to submit their final presentation slides ahead of the event. In addition to providing a hard copy for accessibility purposes, we find that adding the presentations before the event helps to drive interest in attending the session.

To upload slides:

  • Log into your speaker profile through
  • On the top of the page, click “Manage and Promote Your Session”
  • Click “Add Presentation”
  • Click in the “Select a File” box and add the PDF document (note: there is a 50MB size limit)
  • Click “Upload” and your slides will automatically be saved

Optional slide templates are available to download below. Please reach out to if you would like to request another file format of the template.

Inclusive Speaker Orientation Online Course

In collaboration with the National Center for Women in Technology (NCWIT), the Linux Foundation has created an online course designed to teach the viewer about inclusion, diversity, and unconscious bias. We highly recommend all of our speakers watch the course to learn tips/tools to use when speaking to encourage inclusivity in presentations and messaging. 

Code of Conduct

Please read, and abide, by our code of conduct. Our code of conduct is strictly enforced. We ask that speakers especially review this code of conduct and are careful to be inclusive in the words and images used during their presentations.

Contact Us

If you have any other platform, speaker, or schedule-related questions, please contact us at