Bachelor of Science, Michigan State University, 1964. Master of Science, Michigan State University, 1968. Doctor of Philosophy, University Illinois, Urbana, 1969.
Doctor of Agriculture (honorary), Michigan State University, 2005.
Assistant professor, associate professor, University of Illinois-Urbana, 1969-1978; visiting professor, Michigan State University, East Lansing, 1978; associate professor, then professor, Cornell Univercity, Ithaca, New York, since 1979; Liberty Hyde Bailey professor, Cornell Univercity, Ithaca, New York, 1987. Chairman NAS/National Research Council Board Agriculture.
Member National Academy of Sciences, American Dairy Science Association (National Student award 1967, Nutrition Research award 1982, Biotechnology award 1987, Physiology Research award 1994, fellow 2009), American Society Animal Science (Young Scientist award 1977, Growth Biology award 1996, Fellow Research award 1999, Morrison award 2004), American Society Nutritional Science (pres-elect 2002, president 2003, past president 2004, Danno Institute Mentorship award, 2008, fellow award, 2010), Council Agriculture Science Technology (Black award 1995), Federal Animal Science Society (New Frontiers award 2004), National Dairy Shrine (Guest Honor award 2008).
Married L. Marie Vinande, August 28, 1965. Children: Rebecca, Todd, Jeffrey.