Based on all of my interactions with him, he is.
I'm not sure what you want, but that's all I can give you. The seminary itself is rock-solid, and I would be surprised if the Rector and Vice-Rector (who have each been there almost 10 years) would allow anyone who is heterodox in any way to be assisting with spiritual direction for the seminarians.
Thank you! That is what I wanted -- a fact from a person who really knows.