Steve Killelea is a person who helps countries and organizations to make peace in the world. He knows that sometimes people fight and hurt each other, and that can make life very hard for everyone. So, he works to find ways to make sure people talk to each other instead of fighting.
He also helps people who have lost their homes or families because of war or other problems. He wants to make sure they have a place to live and food to eat.
Steve Killelea is a very important person because he helps make the world a better and safer place for all of us to live in.