Steve Johnson is the co-creator of QAGS (the Quick Ass Game System) and co-founder of Hex Games. He has written, co-written, or otherwise contributed to numerous RPG supplements, including Spooky: The Definitive Guide to Horror Gaming, Sharktoberfest, and the ENnie Award-winning Hobomancer.
He's currently working on an Appendix-N style fantasy setting called The City of Ten Thousand Daggers.