Dan Mroczek holds a shared appointment between the School of Medicine and the Psychology Department at Northwestern University since 2013. Previously, he did a postdoc at the University of Michigan from 1992 to 1995. He was then on faculty in the psychology department at Fordham University in New York City from 1995 to 2005. From 2005 to 2013, he was on faculty at Purdue University where he held the Berner Hanley Chair in Gerontology.

Eamonn Ferguson is a professor of health psychology at The University of Nottingham. He is a chartered health and occupational psychologist, a Fellow of the Royal Society for Public Health, an Associate Fellow of the British Psychological Society, and co-founding president of the British Society for the Psychology of Individual Differences (www.bspid.org.uk/). He is currently a Committee Member of Scientific Pandemic Influenza Advisory Committee Behaviour & Communication Sub-Group for the UK Department of Health.