Personal History of Ian Hannin is unknown.
Ian Hannin is a professional comic book colourist. His first work for DC Comics was in 1997 on the title Batman: Dark Knight Dynasty and later he worked on other titles including Green Lantern, Sovereign Seven, Batman, Detective Comics, Gotham City Sirens and many more. He has also worked for Image Comics, Marvel Comics and WildStorm Productions among many other publishers.
Most recently he has been working for Valiant Entertainment.