I'm a GM primarily, running mostly fantasy. I like running games with adult themes; my games tend toward the serious side (more like LOTR and less like Monty Python). I value players who can handle serious gameplay, who are capable of bringing a lot to the table. My games tend to be role play heavy and heavily player-driven, relying on player interaction and player decisions to drive the action and the plot.
One of my strong points is world building; I'm fairly good at it and I enjoy it a lot. I'm a bit loose with my plotting and preparation, always to some degree flying by the seat of my pants, but I enjoy the flexibility that gives me. I like being able to draw a character's traits and history into my plots, but don't always succeed so well.
I also heavily homebrew my games, generally. I alter rules I don't like and add content I create (especially races). Of course, rules changes are always discussed before they are implemented. I am currently building my own role playing game and plan to Beta Test it on Roll20.
I run games every two weeks, every other Saturday between 9pm and 3am Eastern Standard Time. We play text only.