Customer Success Enablement Metrics?

Hi folks!

I'm Eric, I just launched a CS Enablement consulting firm called Retain Solutions to help CS orgs retain their best talent.

One of the things that I've been working on is building out templates and best practices around metrics to measure the success of CS enablement. Besides the gold standard metric - time to ramp - I've found it's pretty inconsistent how CSE is measured at different companies. Personally, I think using competency matrices and certifications is the way to go, but I was wondering what others in the community think and what they've used at their companies.