innersource-ambassador.md - Adding related concepts to the Rationale (#758)

innersource-ambassador.md
- Adding related concepts to the Rationale section / orgs: IBM, Red Hat and CNCF
* Adding further aliases

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Co-authored-by: Sebastian Spier <github@spier.hu>

Author: jritten

patterns/1-initial/innersource-ambassador.md

@@ -61,6 +61,15 @@ InnerSource Ambassadors leverage their existing knowledge of their departments a
 
 The rewards for the ambassadors will vary by individual motivations. Rewards that ambassadors have expressed are that being an ambassador provides opportunity to build their internal network, enhance their communication and influence skills, build their knowledge further about InnerSource, build their presentation and speaking skills, and learn about other products and teams within their company.
 
+There are many examples in the industry, using similar concepts. Sometimes used as part of the marketing activities of the company as well (i.e. to advertise for their products).
+
+Here some examples from the commercial domain, academia and open source:
+
+- **IBM** is using similar concepts in various areas: [IBM Champions](https://www.ibm.com/community/ibm-champions/), [IBM Z Ambassadors](https://www.yourbigyear.com/ibm-z-student-ambassador-program), [IBM Skillsbuild Student Ambassadors](https://www.yourbigyear.com/ibm-skillsbuild-ambassador-program)
+- **IBM Research** has a concept called [IBM Quantum Ambassadors](https://www.ibm.com/training/badge/ibm-quantum-associate-ambassador)
+- **Red Hat** has a concept called [Red Hat Champions](https://access.redhat.com/champions)
+- **CNCF** has a concept called [CNCF Ambassadors](https://www.cncf.io/people/ambassadors/application-process/)
+
 ## Known Instances
 
 - **SAP** has a concept called [Open Source Champions](https://community.sap.com/t5/open-source-blogs/sap-open-source-champions/ba-p/13539587) that seems related
@@ -83,5 +92,6 @@ The rewards for the ambassadors will vary by individual motivations. Rewards tha
 
 ## Alias
 
-- Departmental InnerSource Representatives/Champion/Ambassador
-- Local InnerSource Representatives/Champion/Ambassador
+- Departmental InnerSource Representatives/Champion/Ambassador/Evangelist
+- Local InnerSource Representatives/Champion/Ambassador/Evangelist
+- Social Coding Ambassador