Daily Archives: June 8, 2015



Dr. Jack Groppel is an author and internationally recognized authority in the science of human performance. He is also the co-founder and Vice-President of Human Performance Institute.

Groppel works with leaders of various professions to hone optimum performance in their respective fields. A few years ago he did an experiment in the swamplands of Florida that he videoed and uses in his seminars.

The first video was a training assignment for a group of NFL linebackers. They were to run through the swampy area about one mile away, touch a white fence and then return back to base camp. Groppel then added one final, important detail: a wild boar had been spotted in the forest that morning. He explained how dangerous wild boars can be and how they all needed to be on high alert. Continue reading


Filed under Courage, Word of the Week