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| 2015 - Sponsor: SMA |
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| Matthew Stephens |
Washington, DC |
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| Marty Fry |
New York City, NY |
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| 2013 - Sponsor: City of Sacramento, California (Silent Auction) |
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| John Saylor |
Lexington, Kentucky |
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| Simon Wallace |
Kildare County, Ireland |
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| 2011 - Sponsor: Asplundh Tree Expert Company |
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| Joe Benassini |
Rio de Janeiro, Brazil |
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| Flavio Pereira |
Sacramento and San Francisco, CA |
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| 2010 - Sponsor: City of Savannah and Davey Resource Group |
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| David Sivyer |
Milwaukee, WI |
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| Gian Michele Ciruli |
Turin, Italy |
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| 2009 - Sponsor: City of San Diego, CA, Davey Resource Group |
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| Delia B. Juncal |
Oceanside, CA |
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| 2008 - Sponsor: City of Hollywood, FL |
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| Lisa Olson |
Cheyenne, Wyoming |
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| Lena Marion |
Ljubljana, Slovenia |
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| 2007 - Sponsor: City of Asheville, NC |
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| Aurelio Magezzeni |
Welland, Ont. Canada |
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| Winfried Funke |
Bottrop, Germany |
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| Matthew Wells |
New York City, NY |
| (with George Gonzalez, Los Angeles CA) |
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| 2006 - Sponsors: Amereq Inc., Asplundh Tree Expert Company, City of Windsor, ON |
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| Scott Wheeler |
Newport, RI |
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| Andy McCutcheon |
Guernsey, UK |
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| 2005 -Sponsor: Altec Industries, Inc. |
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| Ainsley Caldwell |
Washington, DC |
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| Bill Stephen |
Vancouver, BC, Canada |
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| Wendi Crabill |
Lebanon, OH |
| (with Jude O'Connor, Denver, CO) |
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| Shawn Dickerson |
Evansville, IN |
| (with Wendi Crabill, Lebanon, OH) |
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| John McNeil |
Oakville, Ont. Canada |
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| 2004 |
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| Thomas Hoerth |
Bath, ME |
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| Mark Minkley |
Bath, England |
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| Sarah Anderson |
Charlotte, NC |
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| Tami Sadonoja |
Hamilton, Ont. Canada |
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| 2003 - Sponsor: ACRT Inc. |
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| Shirl McMayon |
Chicago, IL |
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| Felix Barends |
Cape Town, South Africa |
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| William Diedrichs |
Ft. Wayne, IN |
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| Mike Esson |
Wellington City, New Zealand |
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