| Competition | City | Date | Roles |
|---|
| 1 | World Championship 2009 | Los Angeles | 2009-03-22 | Judge (Senior men) |
| 2 | Winter Universiade 2009 | Harbin | 2009-02-21 | Referee (Senior pairs)
|
| 3 | Four Continents Championships 2009 | Vancouver | 2009-02-02 | Judge (Senior ladies) |
| 4 | Grand Prix and Junior Grand Prix Final 2008 | Goyang City | 2008-12-10 | Judge (Senior ladies, Junior ladies) |
| 5 | NHK Trophy 2008 | Tokyo | 2008-11-27 | Referee (Senior ladies, Senior pairs)
|
| 6 | Cup of China 2008 | Beijing | 2008-11-05 | Referee (Senior ladies)
|
| 7 | Skate Canada 2008 | Ottawa | 2008-10-30 | Judge (Senior men, Senior pairs) |
| 8 | World Championship 2008 | Göteborg | 2008-03-16 | Judge (Senior men) |
| 9 | World Junior Championship 2008 | Sofia | 2008-02-25 | Judge (Junior pairs) |
| 10 | Four Continents Championships 2008 | Goyang-si | 2008-02-11 | Referee (Senior ladies)
|
| 11 | Cup of China 2007 | Harbin | 2007-11-07 | Referee (Senior men, Senior pairs)
|
| 12 | Skate Canada 2007 | Quebec City | 2007-11-01 | Judge (Senior men, Senior pairs) |
| 13 | World Junior Championship 2007 | Oberstdorf | 2007-02-26 | Judge (Junior men) |
| 14 | Four Continents Championships 2007 | Colorado Springs | 2007-02-07 | Referee (Senior pairs)
|
| 15 | Grand Prix Final 2006 | St. Petersburg | 2006-12-14 | Judge (Senior men, Senior ladies, Senior pairs) |
| 16 | Cup of China 2006 | Nanjing | 2006-11-09 | Referee (Senior ladies, Senior pairs)
|
| 17 | Skate Canada 2006 | Victoria BC | 2006-11-02 | Judge (Senior ladies, Senior pairs) |
| 18 | World Championship 2006 | Calgary | 2006-03-19 | Judge (Senior men) |
| 19 | Olympics 2006 | Torino | 2006-02-10 | Referee (Senior ladies)
|
| 20 | Four Continents Championships 2006 | Colorado Springs | 2006-01-25 | Judge (Senior ladies) |
| 21 | Grand Prix Final 2005 | Tokyo | 2005-12-16 | Judge (Senior ladies, Senior men, Senior pairs) |
| 22 | Cup of China 2005 | Beijing | 2005-11-02 | Referee (Senior men, Senior pairs)
|
| 23 | Skate America 2005 | Atlantic City | 2005-10-20 | Judge (Senior men, Senior pairs) |
| 24 | Karl Schäfer Memorial 2005 | Wien | 2005-10-12 | Referee (Senior men, Senior pairs)
|
| 25 | Grand Prix Final 2004 | Beijing | 2004-12-16 | Referee (Senior ladies, Senior pairs)
Judge (Senior ladies, Senior pairs) |
| 26 | Cup of China 2004 | Beijing | 2004-11-11 | Referee (Senior ladies)
Judge (Senior ladies) |
| 27 | NHK Trophy 2004 | Nagoya | 2004-11-04 | Judge (Senior men, Senior pairs) |
| 28 | Cup of China 2003 | Beijing | 2003-11-06 | Judge (Senior men, Senior pairs) |
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