This Doreen person has a lot of posts that surface on HN, but it always seems to be a different website, with different styling. How many websites does this per

This Doreen person has a lot of posts that surface on HN, but it always seems to be a different website, with different styling. How many websites does this person run? What's the point? I say this because the writing and perspective is often interesting and a centralized collection would aid with discoverability.