I looked for the thread from some months ago asking "who's the best choreographer" and couldn't find it.
But I'm nominating Shae-Lynne Bourne. She can choreograph for Ashley:luv17:, Elena R., Yuzuru, Yulia, and now Nathan Chen ... and go so deeply into the strengths, style and intent of each skater that there's not a particular "Shae-Lynne" look to the programs.
I read a delightful interview of Elena a couple of days ago. She said she liked Shae-Lynne's demeanor when choreographing. When asked to elaborate, she said S-L has a light and playful attitude on the ice.
Being an Ashley Uber, I was already a fan of Shae, not to mention I loved her and Viktor when they competed. But the recent feature on the creation of Ashley's La-La Land program is really excellent and gives insight into both women and how collaborative S-L is. Shae said Ashley "makes people feel something" and it's a real treat to work with her. It's 15 minutes.
https://www.youtube.com/watch?v=9u5Q1Xok1y4&t=207s