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World Dairy Expo® is delighted to announce the eight individuals selected to serve as associate judges of Expo’s 2024 Dairy Cattle Show. Nominated by the official judge and approved by a committee of Expo exhibitors, these individuals bring a global perspective to this world-renowned event. The Dairy Cattle Show will be in Madison, Wisconsin, Sunday, September 29 through Friday, October 4.

The complete slate of individuals who will serve as judges at World Dairy Expo 2024 and the dates of the respective show are as follows:

International Ayrshire Show: Monday, September 30

  • Official: Brandon Ferry, Hilbert, Wis.
  • Associate: Michelle Upchurch, Hebron, Ill.

International Brown Swiss Show: Tuesday, October 1 and Wednesday, October 2

  • Official: Phillip Topp, Botkins, Ohio
  • Associate: Kaleb Kruse, Dyersville, Iowa

International Guernsey Show: Wednesday, October 2 and Thursday, October 3

  • Official: Lynn Harbaugh, Marion, Wis.
  • Associate: Herby Lutz, Chester, S.C.

International Holstein Show: Thursday, October 3 and Friday, October 4

  • Official: Jamie Black, Batavia, N.Y.
  • Associate: Aaron Eaton, Marietta, N.Y.

International Junior Holstein Show: Sunday, September 29

  • Official: Mandi Bue, Freedom, Wis.
  • Associate: John Erbsen, Lanark, Ill.

International Jersey Show: Monday, September 30 and Tuesday, October 1

  • Official: Ryan Krohlow, Poynette, Wis.
  • Associate: Jean Philippe Charest, Saint Alexandre, Quebec, Canada

International Milking Shorthorn Show: Monday, September 30 and Tuesday, October 1

  • Official: Chris Lahmers. Marysville, Ohio
  • Associate: Mike Maier, Stitzer, Wis.

International Red & White Show: Wednesday, October 2 and Thursday, October 3

  • Official: Kevin Doeberiener, West Salem, Ohio
  • Associate: Adam Hodgins, Kincardine, Ontario, Canada


Serving as the meeting place of the global dairy industry, World Dairy Expo brings together the latest in dairy innovation and the best cattle in North America. The global dairy industry will return to Madison, Wis. for the 57th event, October 1-4, 2024, when the world’s largest dairy-focused trade show, dairy and forage seminars, a world-class dairy cattle show and more will be on display. Download the World Dairy Expo mobile event app, visit worlddairyexpo.com or follow WDE on Facebook, Twitter, LinkedIn, Spotify, Instagram or YouTube for more information.