There's no way to view this in-game and it's unlikely to be added back in again. Information is definitely outdated and you shouldn't really take it to heart.
The HCR was a former manager who dealt with the relations of customers, which were queries that couldn't be dealt with by Supervisors were passed onto the HCR. They also made sure tickets are cleared within the correct time to avoid delays. Finally, this manager was the person who updated SCR's social media. The role was removed when cg7033 was promoted to Relations Director.
How to get this rank
Currently, there is no way to get this rank.
List of Head of Customer Relations
|No.||User||Status||Reason for Resignation||Date Joined||Date Left|
|1.||cg7033||Promoted to RD, now SG||N/A||10th September 2019||27th October 2019|