Dr. Hei in ICA Data Facility, circa 2024.
Dr. Kirsten Petersen, PhD. (born 1971), also known as Dr. Hei (Mandarin = 黑博士), is a Chinese-Danish biochemist and researcher who worked as a researcher for Hush in The Block, who was assigned to examine various records of Fuo Luoyang, as well as the rest of Test subjects inside the Test Pods that were being operated in the Benchmark Lab. Several years prior, she worked with Max Valliant in order to replicate Dr. Otto Wolfgang Ort-Meyer's research on cloning.