Courtesy of Ronald Stolberg

Dr. Ronald Stolberg is a psychologist who used to work for the reality television show "Survivor." Stolberg worked during applicant screening and the game, helping players handle the stress. Stolberg told Insider what he looks for in contestants and about the highs and lows of the job.

This as-told-to essay is based on a conversation with Dr. Ronald Stolberg, a former psychologist for the reality television show "Survivor." It has been edited for length and...

Continue Reading I'm a psychologist who helped cast 'Survivor' for years. I weeded out people who might be dangerous or unstable under pressure — here's what I looked for in contestants.