Definitely read (this is a long list): David Gemmell, Glen Cook, Jim Butcher, Brent Weeks, Brandon Sanderson, Steven Erikson, Paul Kearney, Michael J Sullivan, George R.R. Martin, Gav Thorpe, William King, Graham Mcneill, Dan Abnett, Ian Tregillis, Stephen King, Markus Heitz, Robert E. Howard, Jack Vance, Julian May, Joe Abercrombie, Stephen Deas, R. Scott Bakker, James Barclay, Chris Evans, Tracy Hickman and Margaret Weiss (Death Gate Cycle, not Dragonlance crap), Elizabeth Moon, Tad Williams, David Anthony Durham, J.V. Jones, Brian Ruckley, Greg Keyes, Patrick Rothfuss, Robert Jordan, Michael Stackpole, Scott Lynch, Adrian Tchaickovsky, Daniel Abraham, Chris Bunch, Naomi Novik, Peter V. Brett, Mark Lawrence.
That should be enough for now
I'll let you know if I think of anymore.