Additional events led include the 2011 U.S. Figure Skating Championships, the 2012 USA Table Tennis Olympic Trials, the 2012 U.S. Masters Swimming Spring National Championships, the 2012 North America Olympic Trials – Table Tennis, the 2014 AT&amp;T American Cup International Gymnastics Championships, the 2014 Nastia Liukin Cup Gymnastics Championships, the 2014 African Youth Games, the 2015 U.S. Figure Skating Championships, the 2015 North America Caribbean Rugby Association Sevens Championships &amp; Olympic Qualifying Tournament, and the 2015 USA Gymnastics Championships.