SharePoint 2013 Designer Workflow is not started and the initiator is Anonymous

Issue Description

Workflow created using SharePoint designer is not getting started and the initiator is Anonymous.

Recently I ran across an issue where a SharePoint Designer workflow associated with a list was showing the below symptoms. It was a simple list and a basic workflow sending an email. 
The status of the workflow showed :

Initiator : Anonymous and Internal Status : Not started

Screenshot below

How to fix this

1. Make sure that the below services are in Running state

Workflow Manager Backend

Service Bus Message Broker

Service Bus Gateway

Windows Fabric Host Service (FabricHostSvc)

2. Restart the WorkflowServiceBackend service

net stop WorkflowServiceBackend

net start WorkflowServiceBackend