Meet Bill Mahanna

Meet Bill Mahanna, Ph.D., Dipl. ACAN, DuPont Pioneer global nutritional sciences manager


Bill MahannaOffice: 800.247.6803 x56673
Cell: 515.229.3409
Fax: 515.334.6569
Mailing Address: 7100 NW 62nd Ave., Johnston, Iowa 50131

Bill Mahanna was raised on a Holstein dairy in the small, upstate farming community of Westmoreland, New York. He received an A.A.S. degree in Animal Science from Morrisville Agricultural and Technical College, a B.S. in Animal Science from Cornell University and M.S. and Ph.D. degrees in Dairy Science from the Univ. of Wisconsin-Madison.

Bill joined Pioneer in July 1987 as a Dairy Nutrition and Forage Specialist with the Microbial Genetics Division. Previously, he was a tenured, Associate Professor of Animal Science at the University of Wisconsin-River Falls, where he taught courses in dairy management and nutrition and coached several nationally ranked dairy judging teams. Bill was honored for his teaching ability while at River Falls by being selected by students as the Universities "Distinguished Teacher of the Year" in 1985 and by fellow faculty members as the "Outstanding Faculty Member in the College of Agriculture" in 1987. Bill continues his academic roots by currently serving as a collaborative faculty member in the Department of Animal Science at Iowa State University.

Bill has worked with dairy producers across the United States, Canada, Europe and Japan. He has been a featured speaker at numerous dairy nutrition and management seminars including the Western Dairy Management Conference, California Animal Nutrition Conference, Colorado Nutrition Conference, University of Minnesota Animal Health Conference, Professional Dairy Producers of Wisconsin Business Conference and hundreds of Pioneer sponsored producer meetings. His articles and production advice appear frequently in various dairy publications such as Hoard's Dairyman, Dairy Today, Dairy Herd Management, Dairy-L, Silage-L, Pioneer GrowingPoint® magazine, the Dairy Bottom Line Nutrition column in Feedstuffs and in textbooks such as the 1999 Howard & Smith's Current Veterinary Therapy and the 2003 Silage Science and Technology Monograph.

Dr. Mahanna is a member of the American Dairy Science Association, American Society of Animal Science, Canadian Society of Animal Science, Asian-Australian Association of Animal Production Societies, American Forage and Grassland Council, NIRS Forage and Feed Testing Consortium, FeedAC and the Holstein-Friesian Association of America. Bill is also certified with the American Registry of Professional Animal Scientists (ARPAS) and a charter diplomate and former secretary of the ARPAS American College of Animal Nutrition. In 2007, Bill was voted by faculty to a collaborative faculty position in the Animal Science Department at Iowa State University. His business background includes being a graduate of Pioneer Institute IV, a three-year corporate management program affiliated with Purdue University Center for Agricultural Business and the Krannert School of Business Management. Bill, his wife Kelly and their three children live in Grimes, Iowa.

Bill has held positions at Pioneer ranging from Technical Service Nutritionist to Product Line Management (inoculants, alfalfa and corn silage) to Senior Dairy Nutritionist and Dairy Accounts Team Leader. Bill is currently the Pioneer Nutritional Sciences Manager and also co-leads a group of Pioneer nutritionists from North America, Germany, Italy and France. Bill and his colleague, Dr. Bill Seglar were awarded the 2006 Pioneer Hitch Pin award for Global Nutritional Sciences' exceptional service to Pioneer customers and field sales personnel. Their team is responsible for providing technical leadership for on-farm nutritional troubleshooting as well as how Pioneer nutritionally profiles and develops corn, alfalfa and forage and grain additive products to meet the needs of the livestock industry. Bill also works closely with breeders and agronomy researchers at Pioneer in all management aspects of growing, harvesting and feeding quality forage and grain crops.

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