found his twitter:
https://twitter.com/ahnnecognita
recent tweets are all just archery related stuff, if you scroll down eventually you get to a point where it's all gamedev and sometimes other turbo nerd shit (world of warcraft, magic the gathering)
interestingly, if you go very far back, you can find 'her' occasionally retweeting tranny content. this for example is from 2012:
View attachment 2321708
no explicit talk about trans stuff from 'her' directly though, no pre transition pictures either. still, i'm like 95% sure that this is indeed a tranny, he's just not very vocal about his tranny status. apparently keeping his mouth shut was enough to for him to successfully sneak into an olympic womens team.
sorry for screenshot only, i can't figure out how to properly archive someones twitter timeline. archive md doesn't do it properly, and trying to save the page as html only gives me a broken and useless document