Quick answer — Eiji Iwase worked on No Game, No Life Zero (Art Director), No Game, No Life (Art Director), Girls und Panzer: This is the Real Anzio Battle! (Art Director) and 10 more anime.
Eiji Iwase worked on No Game, No Life Zero (Art Director), No Game, No Life (Art Director), Girls und Panzer: This is the Real Anzio Battle! (Art Director), The Ice Guy and His Cool Female Colleague (Art Director), Helck (Art Director), A Returner's Magic Should Be Special (Art Director), Berserk of Gluttony (Art Director), Ace Attorney (Art Director) and 5 more.