In 2019, I co-created a business architecture course with and for ING. I developed the course with Cyrille Cauchy (ING Business Architecture Guild Lead). It was a 3 days course. 5 ING Business Architects were trained and about 15 XPLUS consultants.
The course is available via this xplus page:
https://portfolio.xplus.academy/en/xplus/business-architecture
Here is a PDF of the above page:
The curriculum looks like this: