Sam is an author, neuroscientist, and podcast host. Sam's book, The Moral Landscape, sets out a naturalistic ethics that is largely consistent with Sentientism, in that it grants moral consideration to conscious non-human as well as human beings. However, despite experimenting with vegetarianism and veganism, Sam continues to buy and consume products made from sentient beings, implying he doesn't personally grant them meaningful moral consideration. He is a vocal atheist and naturalist.
Sam on Wikipedia