Dr. Marshall conducts research on leadership, teaches applied leadership studies, and coaches business executives. His academic interests include examining how the public perceives its leaders, investigating how to facilitate the acquisition of leadership skills, and the use of psychological techniques to improve the abilities of high performing individuals. In his earlier work, he was one of the foremost authors on how websites convey credibility, and he helped design the original version of Yahoo! Mail.

Jonathan started his work in leadership as a naval officer and assistant squadron commander to 100 sailors. Pursing his interest in helping people become peak performers, he went on to do a doctorate in counselling psychology at Stanford University. At Stanford University’s Department of Psychiatry, he conducted research into the use of hypnosis, meditation, and yoga for the treatment of depression. He did his post-doctoral work at Harvard University where he became the primary male psychologist at the Harvard Business School. There he worked with elite performers in business and athletics. Prior to joining the faculty at the National University of Singapore, he helped start the Division of Psychology at the Nanyang Technological University.