Template:RealworldpersonDamian Monnier was a senior gameplay designer of the The Witcher 3: Wild Hunt card game Gwent. He later became the lead designer on Gwent: The Witcher Card Game. In 2016, he left CD Projekt Red and went and joined the company Techland.
References:
There is a reference to him in Blood and Wine expansion, with a character named Martin Monnier, the creator of the Skellige Gwent deck.