Dan Schaefer began is faculty career in animal science in 1979 at Purdue University. He moved to the University of Wisconsin-Madison in 1981 and retired from there on Dec 30, 2019. His career interests have been re-direction of hydrogen disposal in the rumen, high-energy diets for finishing Holstein steers, dietary vitamin E supplementation for extended color shelf-life of fresh beef, pasture forage species evaluation for stocker cattle, and roundworm control in young cattle. He was Chairman of the Animal Sciences Dept from 1999 to 2016, interim associate dean for undergraduate programs from 2010-2011, and was Director of the Meat Science & Animal Biologics Discovery program from 2018-2019 as it prepares to move into the new $56 million building. He taught courses in beef cattle production and rumen microbiology during all of his years. He and his wife, Gail, have two grown children and two grandchildren.