Some of them are the following:

Josh Sawyer – veteran game designer who created such legends as Icewind Dale, Neverwinter Nights 2, Fallout: New Vegas & Pillars of Eternity series.

Bożenka Chądzyńska – illustrator / concept artist with experience in the whole spectrum of 2d art for games. Worked on Grim Legends 2 and Bladebound. Creator of amJam.

Petter Henriksson – COO of Landfall. Creator of Clusterstruck, Stick Fight: The Game and Totally Accurate Battle Simulator.

Grzegorz Wojciechowski – Software Developer at Unity Technologies. Worked in Sumo Digital, Ubisoft (platforms) and Techland (engine).