sentences:  During his time at Y.O.U., Green oversaw the Campaign for Youth Opportunity that led to the organization's current state-of-the-art headquarters and youth center.Before Y.O.U., Green led two other social ventures and served as a consultant at McKinsey & Co.
  
  Green has been a featured speaker at the U.S. House, U.S. Senate, World Bank, United Nations, Associated Press, and other leading institutions.He served as a facilitator at the Clinton Global Initiative and as a guest at the White House Summit.