Oliver C. Schultheiss is a Professor of Psychology at Friedrich-Alexander University, Erlangen, Germany. His research focuses on the implicit motivational needs for power, achievement, affiliation, and sex, and their interactions with the endocrine system.

Pranjal H. Mehta is Senior Lecturer in Experimental Psychology at the University College London. His research examines interactions between hormones, the social environment, and human behavior with an emphasis on status hierarchies, stress, and decision making.