Or it's just one of the concept art pieces he made for CP2077 but didn't make it into the game, so he put it on his profile. Nevertheless, it gives an idea of how they might imagine Cyberpunk characters and it's always nice to see high quality artwork from CDPR's artists.
Unless, you know, it's for Saint's Row
Heh, I thought of that too. All that purple. As to Pawel B's role in creation, my guess is that the in-house artists at CDPR supply him with concepts and he does the high polish renders for them.