A graduate of the University of Wisconsin-Madison, Geiger has served on the Hoard’s Dairyman editorial team since 1995 and has been the lead editor for the past decade. In 2018, Geiger spearheaded the effort that brought Hoard’s Dairyman China to the marketplace joining its English, Japanese and Spanish editions. In March of 2021, Geiger released his first book On a Wisconsin Family Farm, Historic Tales of Character, Community, and Culture. In the first 90 days, copies sold to 38 states and three countries. The book just went to its second printing.

Corey was elected the 65th President of Holstein USA in June 2019 and co-chaired the 2019 National Holstein Convention that drew 1,200 people from 38 states and 19 countries. Geiger is on the planning committee for the Western Dairy Management Conference and serves on the board of directors for World Dairy Expo and the Council on Dairy Cattle Breeding. He is the sixth generation to manage his family’s 376-acre dairy farm founded in 1867.

Corey has spoken in Canada, China, Mexico, the United Arab Emirates, Singapore, and 20 U.S. states.