John Corvino

From his YouTube channel:

John Corvino, also known as "The Gay Moralist," is chair of the Philosophy Department at Wayne State University in Detroit. He is the author of Debating Same-Sex Marriage, co-written with Maggie Gallagher, and has spoken at over 200 university campuses on ethics, sexuality, and marriage.

All his videos are excellent, but this one, in particular, stands out:

What does it mean when people call same-sex relations "unnatural," and why should that judgment matter anyway? Philosopher John Corvino takes apart this claim, demonstrating that, in the usual cases, it's empty rhetorical flourish. Dr. John Corvino, also known as the "Gay Moralist," is a writer, speaker, and philosophy professor at Wayne State University in Detroit.

Watch the rest of his videos here.