Listed here are some of the media and people that have influenced me. I encourage you to explore them.
The Skeptic’s Guide to the Universe (podcast)
Point of Inquiry (podcast)
Rationally Speaking (podcast)
Science Based Medicine (blog)
Daniel Dennet, and his work on cognition and materialism, some of which he discusses in this TedTalk
Peter Singer, and his book One World: The Ethics of Globalization
The Council for Secular Humanism, specifically how they describe what Secular Humanism is on their page What Is Secular Humanism?
Tim Minchin, and his promotion of Atheism through entertainment such as the hilarious song Thank You God