Note - this action can not be undone!
- Navigate to the Contact Group page: Admin > Modify > Contact Groups
- Select the "merge from" group in the left hand panel
- Choose the "Merge" icon from the top right corner of the page
- Select the "merge to" group from the middle page
- Clicking on the Merge button will combine the stakeholders into 1 group
- Repeat for other groups that need to be merged.