InnerSource Commons Spring Summit 2020

14th to 16th April 2020 in Madrid, Spain

Welcome to the 10th InnerSource Commons taking place in Madrid, Spain!

Call For Presentations

Use this form to submit your proposal here for the InnerSource Commons Spring Summit 2020

All proposals are due by midnight, January 10th, 2020. All presentations at the Spring Summit, unless otherwise designated by the presenter, will be covered by the Chatham House Rule. See the Chatham House Rule.


Registration is already open! We are using Brown Paper Tickets for this process. Please notice that taxes will be added on top of the sales process.

Please consider registering early as this helps us to organize and have everyone’s needs in mind.

Call For Sponsorship

We invite interested organisations and companies to sponsor this renowned event. These summits provide a basis to encourage InnerSource practitioners to share their experiences and to collaborate with each other on improving InnerSource. If interested in sponsoring this event, please contact Dr. Daniel Izquierdo for more details (

The sponsoring prospectus is available here.

Agenda and Speakers

We are delighted to welcome Nithya Ruff (Head of Comcast’s Open Source Program Office) and Mary Thengvall (Director of Developer Relations at Camunda) as our first keynote speakers!

You can start checking the great set of speakers for the regular sessions here.

Danese Cooper photo

Danese Cooper

Danese Cooper is vice president of special initiatives at NearForm, an Irish tech firm. Previously, she was head of open source software at PayPal, CTO of the Wikimedia Foundation, chief open source evangelist for Sun, and senior director of open source strategies for Intel. Danese was also the inaugural chairperson of the Node.js Foundation. She concentrates on creating healthy open source communities and has served on the boards of Drupal Association, the Open Source Initiative, the Open Source Hardware Association, and she’s advised Mozilla and the Apache Software Foundation. Danese also runs a successful open source consultancy that counts the Bill & Melinda Gates Foundation, the SETI Institute, Harris, and Numenta as clients. She’s been known to knit through meetings.

Nithya Ruff photo

Nithya Ruff

Nithya A. Ruff is the Head of Comcast’s Open Source Program Office. She is responsible for growing Open Source culture inside of Comcast and engagement with external communities. Prior to this, she started and grew Western Digital’s Open Source Strategy Office. She first glimpsed the power of open source while at SGI in the 90s and has been building bridges between companies and the open source community ever since. She’s also held leadership positions at Wind, Synopsys, Avaya, Tripwire and Eastman Kodak. At Wind, she led a team of product managers in managing a world class embedded Linux distribution and was a key member of the Yocto Project advocacy team on the board. Nithya has been director-at-large on the Linux Foundation Board for the last 3 years and was recently elected to be Chair of the Linux Foundation Board.

Nithya has been a passionate advocate and a speaker for opening doors to new people in Open Source for many years. She has also been a promoter of valuing diverse ways of contributing to open source such as in marketing, legal and community. You can often find her on social media promoting dialogue on diversity and open source.

Mary Thengvall photo

Mary Thengvall

Mary Thengvall is a connector of people at heart, both personally and professionally. She loves digging into the strategy of how to build and foster developer communities and has been doing so for over 10 years. After building community programs at O’Reilly Media, Chef Software, and SparkPost, she consulted for two years, helping companies build a strong and sustainable Developer Relations strategy.

These days, Mary is the Director of Developer Relations at Camunda. In addition to her work, she’s known for being “the one with the dog,” thanks to her ever-present medical alert service dog Ember. She’s the author of the first book on Developer Relations: The Business Value of Developer Relations (© 2018, Apress).

Mary is founder and co-host of Community Pulse, a podcast for Developer Relations professionals. She curates DevRel Weekly, a weekly newsletter that brings you a curated list of articles, job postings, and events every Thursday. She’s also a founding member and “Benevolent Queen” of the DevRel Collective Slack team.

Mary is also a member of Prompt, a non-profit that encourages people to openly talk about mental illness in tech. She speaks at various conferences and events about building and fostering technical communities as well as how to prevent burnout in yourself and your team

What is the InnerSource Commons?

The InnerSource Commons ( aka ISC is a consortium of representatives from almost a hundred companies and institutions. It utilizes open source methods to provide organizations pursuing inner sourcing a forum for discussing and improving the practice of InnerSource through the sharing of experiences (under the Chatham House Rule), creation and review of InnerSource patterns, and the open exchange of ideas.

Who should attend?

The InnerSource Common Summits welcomes software professionals at all levels, from executive level manager to software developer. The program targets software development managers and executive managers in particular because adopting InnerSource requires significant efforts to make changes in the organization—whether these are implemented top-down or bottom-up. If you or your organization is adopting, or considering adopting, InnerSource, then attending the InnerSource Summit is the best thing you can do.

What will I get from this event?

The three key reasons to attend the InnerSource Common Summits are:

  • Learn from others who are on the journey of InnerSource adoption
  • Share your experiences and get help with your challenges
  • Network, network, network! The InnerSource Commons is an excellent place to network with likeminded people, all of whom are passionate about making InnerSource a success in their respective organizations!


The summit is hosted at Círculo de Bellas Artes, Calle Alcalá 42, Madrid.

Travel and Transit

The closest airport is Adolfo Suárez Madrid-Barajas Airport:

The airport serves flights from main cities around the world. More information at the (Airport Website). There is a fix rate of 30€ by taxi to downtown and easily accessible public transport that will leave you in less than 30 minutes in the very center of Madrid.


There a plenty of walking distance hotels.

The closest one is the exclusive Hotel NH Collection Madrid Suecia - 5 stars. Other options are the following:

Spanish hostales are family-led hotels, not to confuse with hostels. They offer good accommodations and in general at lower rates. The following ones are close to the venue:

All of them are tidy, clean, have wifi, air conditioning, and each room has its own bathroom (but double check).

Code of Conduct

All participants, vendors, and guests at InnerSource Commons events are required to abide by the code of conduct.

InnerSource Commons meetings and events run under the Chatham House Rule: information discussed at a meeting can be shared but not attributed.

Interested in getting involved? Email or join the conversation on the #innersourcecommons slack channel!