Note: Most of these people are either scholars, researchers or people with deep polemical knowledge. Pls DM if any name is missing.
1. Grand Ayatollah Sayyed Abul Fazl Borqie borqei.com/?q=en/life Lecture:

His website: almoaiyad.com

qalamdaran.com/?q=en/content/…
[Farsi] aqeedeh.com/writers/view/5…
One of his great works translated into English is about the crisis between Quran and Shia scholars can be read here: twelvershia.net/2013/04/05/the…
His other work translated into English: twelvershia.net/2013/04/05/the…
[Farsi] aqeedeh.com/writers/view/8…
[Arabic] waqfeya.com/book.php?bid=5…
How I was guided? Why I became Sunni? [Farsi] aqeedeh.com/book/view/194/…

[Arabic]
sonsofsunnah.com/2011/12/15/ahm…
or you can read his brief post: forum.twelvershia.net/ex-shias/my-jo… Interviewed by @Farid_0v
Arabic: islamhouse.com/ar/books/74691/
Farsi: islamhouse.com/fa/books/25579…
also available in several other languages.
Known for his masterpiece "Ayat Bayyinat" available in English: mahajjah.com/ayat-bayyinat/