Unfortunately there is no perfect way to the venue due to railway construction work.

For public transport we recommend the App/Website https://moovitapp.com/

It is the #1 Urban Mobility App Worldwide.

https://play.google.com/store/apps/details?id=com.tranzmate&hl=en

https://apps.apple.com/gb/app/moovit-%C3%B6pnv-fahrplaner/id498477945

Type in your current location (or where you want to leave from) and where you want to go, and it will immediately show what the nearest bus or Metro line might be, and when the next train or bus is scheduled to arrive, predicting the latter with remarkable accuracy.

Detailed information are available on the official Berlin website: https://www.berlin.de/en/public-transportation/