Hello and welcome, Brian!
As the Christmas break is just around the corner, there are no Performance Clinics planned by the end of December. You can always check the upcoming webinars here.
Depending on the Dynatrace capabilities you're interested in, the best way is to start with the Dynatrace University and 2-4 min videos that introduce various features.
If you have any Dynatrace-related questions, the Community is there for you!
We'll have a 'Get to Know Dynatrace' session on the 21st of December at 4 PM ET. You can register in advance here: