Leo Timms is an Extension Dairy Specialist and Associate Professor of Animal Sciences at Iowa State University with primary emphasis in milk quality and mastitis, reproduction, animal health, and dairy records.  Leo is responsible for coordinating Dairy Production Medicine for seniors at the College of Veterinary Medicine and Lactation in Biology in the Animal Science Dept. 

Leo's research focuses on mastitis and milk quality with recent emphasis in dry and transition cows and heifers, reproductions and estrus detection tools, and animal housing and comfort.

Leo has conducted over 3,000 farm consultations in his 19-year tenure at ISU.