Alysa is sponsored by Toyota! Since about a year ago, IIRC.
I do not know who else sponsors Alysa, but being on Team Toyota is huge unto itself.
The Toyota sponsorship certainly is prestigious, and I hope that it relieves financial pressure to some extent. (Yes, skating is expensive.)
Nathan is the only other figure skater on Team Toyota this season.
Things that perhaps(?) have not been mentioned yet:
[1] Leading up to as well as onsite at 2018 Olympics, Drew Meekins was one of Mirai Nagasu's coaches.
He obviously was not her only coach, but he played a significant role in her path to Korea.
As we all remember, Mirai was the first US. woman to land a triple axel

at the Olympics, and she was a team bronze medalist.
(Drew is well known for working closely with Vincent as choreographer and one of his coaches, of course.
I wanted to make note of Mirai as another example of Drew's students.)
[2] Hersh now has added a quote from Jeremy as well:
“I have nothing but deep respect and gratitude for the team I was so lucky to be a part of, and for the time I got to spend mentoring a truly remarkable human being,” Abbott said via text. “Though I may no longer be coaching Alysa, I will always be in her corner supporting her.”