It looks like we don't have any Biography for Sam Liu yet.
Batman and Harley Quinn
Justice League vs Teen Titans
Batman: Year One
Hulk Vs. Thor
Wonder Woman: Bloodlines
All-Star Superman
The Death and Return of Superman
Justice League: Crisis on Two Earths
Thor: Tales of Asgard
Batman: Gotham by Gaslight
Justice League: Gods And Monsters
Batman: The Killing Joke
Superman/Batman: Public Enemies
Teen Titans: The Judas Contract
Planet Hulk
Hulk Vs. Wolverine