Here are the videos that can be referenced for the essay:

The Crisis in Leadership and a New Way Forward available at https://www.ted.com/talks/halla_tomasdottir_and_bryn_freedman_the_crisis_of_leadership_and _a_new_way_forward

What does it mean to be a citizen of the world? available at https://www.ted.com/talks/hugh_evans_what_does_it_mean_to_be_a_citizen_of_the_world

What it Takes to be a Great Leader at http://www.ted.com/talks/roselinde_torres_what_it_takes_to_be_a_great_leader

Entrepreneurs Using Technology for the Triple Bottom Line available at https://www.youtube.com/watch?v=2Ugl6wPmqpg