Non-mystical/religious Chinese Kung Fu/Wushu in St. Louis, Mo area?

[Xue Sheng]

Eddie Wu? Good reputation, don't know personally. I think he travels a lot, so you might not get instruction directly from him.
Jack Yan? Nice fellow: he hosted Chen Zhenglei when he was in TO. Chen style.
The Practical Method folks are on Facebook. I've been meaning to check them out.

Yeah ... Qi is energy. Maybe instead of "metaphysical," the term "energetic" might be more accurate and ... neutral.

P.S. Sorry to derail this to Toronto, seeing as the OP was in St. Louis.

Yup, Eddie Wu, and I forgot about Jack Yan, I knew he was there and Chen style but I know little about him other that the Chen Zhenglei hosting bits. Of course I found out all of this AFTER my trip to Toronto....