| Creative Thinking World Championship: Bronze (2012) |
| Creative Thinking World Championship: Gold (2011) |
| Creative Thinking World Championship: Silver (2010) |
| Creative Thinking World Championship: Gold (2009) |
| Creative Thinking World Championship: Bronze (2008) |
| Creative Thinking World Championship: Silver (2003) |
| Mind Mapping World Championship: Bronze (2003) |
| Creative Thinking World Championship: Gold (2002) |
| Creative Thinking World Championship: Silver (2001) |
| Creative Thinking World Championship: Bronze (2000) |
| Creative Thinking World Championship: Gold (1997) |
