The document discusses how Microsoft has adopted an inner source model to enable enterprise-scale innovation across thousands of engineers. It outlines the benefits of open source and inner sourcing, including for customers, employees, and shareholders. The agenda discusses why open source is adopted, how inner sourcing works at scale internally, and how to build a sustainable internal open source culture through leadership support, trainings, rewards and compensation alignment, and other means.

1. Welcome To Inner Source Spring Summit’ 2018
Principal Engineer, AI/Cloud Platforms
Microsoft
@rekhajoshm
https://www.linkedin.com/in/rekhajoshm/

2. Culture Shift With
InnerSource
Rekha Joshi
How we enable enterprise-scale
innovation across thousands of engineers
with open contribution model.

3. Agenda
Why Open
Source?
Benefits for customers,
employees, and
shareholders
Inner Sourcing
Applying Open
Contribution Model At
Scale
Internally
Culture
change
Building a sustainable
internal open source
culture

4. “It’s elevated the
power of the craft.”
“Developers pooling
their expertise makes a
more well rounded
product.”
“Open source gives you
a choice.”
“It’s a great way to get
started in the
development world.”
“Gnu/Linux gives us an
OS we can hack and put
all sorts of devices.”
“OS gives us more
control.”

5. Integrating, releasing,
and contributing to
open source

6. Why integrate?
Community
Time to market
Cross-platform
Best practices
Recruiting/retention
Why contribute?
Forks are expensive
Interoperability
Know your customer
Why release?
Expand market
Build ecosystem
Enable contributions
Faster feedback
Thought leadership

7. 35,000 12,000
Employees
working in GitHub
6,000
Open Source
projects released

8. Many Microsoft teams participate in other open
source foundations:
• Open Source Initiative
• Linux
• Eclipse
• Node
• Apache
• .NET

9. Working in the open,
with community
testing and feedback,
drives better code
quality and
design decisions.

10. In 2014, Microsoft CEO Satya Nadella
directed all Microsoft engineers to
"open source internally" - anyone at
the company can see anyone else's
code and use it as needed.

11. Inner sourcing At Intuit
Steve Lin
Architect
Brian Ellison
VP
Raji Arasu
SVP

12. Leadership
Support
Official Engagement
Pilot Programs
Trainings/Hackathons
Measure Progress

13. Guiding principles For Inner sourcing
Responsible Actions

14. Rewards & motivation
Lasting culture change requires
alignment with rewards and
compensation.
All employees are asked at every performance review to
describe how they are empowering others and how
they are building on the work of others.
Open source/Innersource is an officially recognized and
documented core aspect of the developer skill set.

15. Building a sustainable
open source inner culture

16. Developers who are going to make use of the code
managed in the github repo. They create forks, issues,
pull requests; read the documents and slack channelsConsumer
Developers with admin access who review pull
requests and respond to them in a timely manner; merge pull
requests, Look for collaboration opportunitiesTrusted Committer
Trusted Committers who also update relevant artifacts (like the
wiki, README, CONTRIBUTING, etc.), monitor, and maintain the
github
Maintainer

17. “Leadership is about
translating vision into
reality.”
- Unknown

18. Time to
contribution
Time to setup
development
environment
Developer NPS

21. Production
Priorities,
Roadmaps
Measuring
Success
Product
Managers,
Architects