There are others Trump appointees, including Ben Carson and Peter Navarro, involved in Project 2025, plus a bunch more. This is why headlines like this, while accurate, are misleading and serve as stenography for the Trump campaign.
And Valerie Huber, the anti-sex-ed advocate who was the HHS Special Representative for Women's Health under Trump, has been very busy meddling in other countries' abortion laws. She's an author on 2025 and promoter of the anti-rights Geneva Consensus Declaration.
The thing about incessant liars is, they can say anything they want any given moment, and then turn around and say the opposite when it serves their purposes. Trump has normalized this within the MAGA movement.