SDN Chapter News
![Friendship, Collaboration, and Service: How Shelley Evenson and Birgit Mager designed a movement](https://www.service-design-network.org/images/446x308/IVPBrWyQ_596b82620b64bb5b38650bc1_cover1-p-1600.jpg)
Friendship, Collaboration, and Service: How Shelley Evenson and Birgit Mager designed a movement
The friendship of Shelley Evenson and Birgit Mager represents a collaboration that has sustained the field since its early days. Their work has been especially instrumental in the United States.