Pearce Stephens is a Phenotrans scientist and researcher as well as one of the psychopaths in the video game; Dead Rising 2.
Dead Rising 2
Together with Mark Bradson, they are heard and seen talking about mature Queens ready for shipping. Stephens is told by Bradson to call the head doctor to tell him that they are ready to harvest the shipping. Stephens pulls out a phone and calls the doctor and tells him the news while typing on a computer. As Chuck calls out to them as "poindexters", the two men each grab a pistol from the table and aim at Chuck, asking who he is and what he is doing there.