Dr. Maier established the ISU Feed Technology Program and serves as the director of the ISU Feed Mill and Grain Science Complex, a $35 million state-of-the-art grain handling, drying, storage and feed processing facility. Its mission furthers ISU’s teaching, research, service, extension, and industry and international outreach in support of the global grain, feed and animal industries. He serves on the board of directors of the Middle East & Africa Feed Manufacturing Training Center and is the founding director of the Interational Grain & Feed Industry Academy. He served as the director of the Consortium for Innovation in Post-Harvest Loss and Food Waste Reduction, which aimed at gaining efficiencies within the global food system and brought together institutions in the Americas, Europe, Middle East, and Africa, and across sectors (public, private, and non-profit) to promote research, outreach and capacity building that increase the quality and quantity of food and nutrition in the world. He formerly served as the associate director of the Global Food Security Consortium at Iowa State University and as the lead principal investigator and founding director of the USAID-funded Feed the Future Innovation Lab for the Reduction of Post-Harvest Loss. Maier is a registered professional engineer and a member and officer of several academic, professional and scholarly societies. He has served on two EPA FIFRA Scientific Advisory Panels related to the assessment of genetically modified grains. He has traveled extensively throughout the world as a speaker and participant in many national and international industry meetings and scientific conferences. Prior to joining Iowa State University, Maier was professor and head of Kansas State University's Department of Grain Science and Industry (2008-2015), where he was responsible for leading the department's teaching, research and outreach programs. He also served as the director of Kansas State's International Grains Program Institute and was the senior post-harvest engineer. Prior to joining Kansas State University, he was professor, associate head and extension agricultural engineer at Purdue University (1991-2008), where he led the establishment of the GEAPS Continuing Education and Credentials Program in 2005 which provides continuing education to grain industry professionals around the world. He was the co-founder of the Purdue Grain Quality Team, key initiator and director of the Purdue Post-Harvest Education and Research Center, and director of the Purdue Grain Quality Laboratory. He received his bachelor's degree, master's degree and doctoral degree in agricultural engineering from Michigan State University.