Seb Coe met with a group of young people in Rio last week to discuss the importance of youth participation in the Olympic Games.
The 30 young people, all from Rio's low-income communities, were taking part in a UNICEF initiative to get young people involved in sport and encourage others to do the same.
"Playing sports makes me feel more alive", said Bruna, one participant, when talking about how sport can change lives.
Lord Coe talked with the young people about ways of including children with disability in the Olympics - both in London and in Rio in 2016, women's participation in sports and the important role of young people in decisions about the legacy of these big events.
Groups of young people across Brazil are working with UNICEF to get more children in their communities into sport, and have their say about the legacy of the Olympic Games and football World Cup, both taking place in Brazil in the next four years.
Lord Coe’s visit has inspired them to do even more to spread the message about the right to safe and inclusive sport and play for all children and young people in Brazil.
"It's fantastic to see young people actively engaged in promoting sports in their own communities." said Lord Coe. "We want to deliver Olympic Games that inspire people."
UNICEF is a partner in International Inspiration, the London 2012 legacy programme.
Read more about UNICEF and the Olympics.