All the coaching are good. As the teachers who are teaching are experts in their domains.have to think and judge, because it’s a matter of your career, so the better judge should be you only.
I think you should not listen anyines advice here.
Beacuse those who have done coaching by anyone of the above will explain their best, according to their thinking.
Everyone has the different capabilities to see and understand a topic. So do it with your accuracy where you find best to adjust with.
If you got success it will be your win completely as it was your decision.
If not then you will not blame anyone which is most important.