Talks about Business:

“What it takes to be a great leader”

https://www.ted.com/talks/roselinde_torres_what_it_takes_to_be_a_great_leader

“Why business can be good at solving social problems”

https://www.ted.com/talks/michael_porter_why_business_can_be_good_at_solving_social_problems

“What make us feel good about our work?”

https://www.ted.com/talks/dan_ariely_what_makes_us_feel_good_about_our_work

Other topics

“Why we have too few women leaders?”

http://www.ted.com/talks/sheryl_sandberg_why_we_have_too_few_women_leaders

 ”Mosquitos, malaria and education” by Bill Gates

http://www.ted.com/talks/bill_gates_unplugged

“Goverment surveillance – this is just the begining” 

http://www.ted.com/talks/christopher_soghoian_government_surveillance_this_is_just_the_beginning