PRINCIPAL INVESTGATORS

Dr. Amanda Kreuder
Dr. Amanda Kreuder, DVM, PhD, DACVIM(LAIM) is an Associate Professor in the Department of Veterinary Microbiology and Preventive Medicine at Iowa State University (ISU). She received her DVM from Iowa State University, and then returned following several years in private large animal practice to complete a residency in large animal internal medicine and a PhD in Veterinary Microbiology. After spending 9 yrs providing clinical services in the Food Animal and Camelid Hospital at ISU, she now focuses on research, teaching and service related to infectious diseases of large animals and antimicrobial stewardship at the College of Veterinary Medicine. She currently serves as the Associate Director for Research Strategy and Programs at the National Institute for Antimicrobial Resistance Research and Education (NIAMRRE) where she leads several initiatives related to antimicrobial resistance stewardship and currently serves as a voting member of the Clinical and Laboratory Standards Institute Veterinary Antimicrobial Susceptibility Testing (CLSI VAST) committee which is the volunteer organization that sets clinical breakpoints for veterinary medicine. She and her husband also own and operate a registered Angus seedstock operation that incorporates rotational grazing and conservation practices into their routine management practices.

Dr. Paul Plummer
Dr. Paul Plummer is the Executive Director of NIAMRRE, the Dean of the University of Tennessee College of Veterinary Medicine and the Chair of the Presidential Advisory Council on Combatting Antibiotic Resistant Bacteria. His veterinary specialty is large animal medicine with a particular interest in infectious disease and he holds a PhD in Veterinary Microbiology. His research interest primarily focuses on antimicrobial resistance and infectious disease at the animal, human, and environmental interface.

Dr. Sarah Al-Mazroa Smith
Dr. Sarah Al-Mazroa Smith is an Evaluation Specialist with Iowa State University Agriculture and Natural Resources Extension and Outreach. She received her PhD and Master's of Science in Agricultural Education and a Bachelors of Science in Animal Science, all from Iowa State University. Dr. Al-Mazroa Smith specializes in curriculum development and evaluation, working with various audiences in the agriculture industry.

Jennifer Bentley
Jennifer Bentley is a Dairy Field Specialist for ISU Extension and Outreach in northeast Iowa, with her base office located in Winneshiek County. She earned her Bachelor of Science Degree in Dairy Science and Master of Agriculture Degree both from Iowa State University. Prior to her Extension position, she was employed with the Northeast Iowa Dairy & Ag Foundation as part of the ISU Research and Demonstration Farms from 2002-2010. Her responsibilities there included research technician, calf manager, and assistant herdsperson. Since 2010 in her extension position, she works closely with dairy producers and industry, providing them with dairy herd management resources, with a focus on early life care and management. Her work has been instrumental in improving dairy goat and calf care protocols, milking parlor procedure, and fostering community between producers through workshops and peer groups. Her practical approach provides immediate applicable tools and skills for animal care teams and owners.

Dr. Rosie Busch
Dr. Rosie Busch is the Sheep and Goat Extension Veterinarian with UC Cooperative Extension and the UC Davis School of Veterinary Medicine. She received her DVM from UC Davis, joined a rural mixed animal practice in Hollister, CA before returning to UC Davis to complete a residency in Large Animal Internal Medicine focusing on livestock. She has years of practical experience working in the Livestock Medicine & Surgery service at the Veterinary Medical Teaching Hospital, teaching students and residents. Dr. Busch then went to work for the California Department of Food and Agriculture with a team of scientists developing evidence-based resources for veterinarians and livestock owners on antimicrobial stewardship. As extension veterinarian she is currently collaborating on a number of studies looking at practical approaches to improve youngstock survival, maternal health and longevity, and impact of integration into nontraditional grazing systems.

Dr. Liz Eckelkamp
Dr. Liz Eckelkamp is an Associate Professor and Dairy Extension Specialist at the University of Tennessee Institute of Agriculture. She also serves as the Director for UTIA’s Center for Dairy Advancement and Sustainability and the Southeast Dairy Business Innovation Initiative funded by USDA AMS. She received her MS and PhD from the University of Kentucky. Her areas of expertise include dairy facilities, precision dairy technologies, value-added production, farm economics and decision-support tools, and animal health. She has served as a dairy extension specialist since 2017 and focuses on helping dairy businesses improve efficiency and enhance the local food supply.

Dr. Patrick Gordden
Dr. Gorden is a 1993 graduate of Iowa State University’s College of Veterinary Medicine. Following graduation, he was in private practice for 14 years in WI and AZ. While he enjoys helping producers maintain the health of their herds, his real passion is in the development of quality milk programs and milking equipment evaluation. In 2007, Pat joined the faculty at ISU’s College Veterinary Medicine where he is a Professor specializing in dairy production medicine. His duties include providing clinical service to dairy clients, teaching dairy production medicine to veterinary students, applied research projects in dairy cattle and goats, and departmental administration. His passion for milk quality and milking equipment performance has continued but morphed to include prevention of drug residues in milk and dairy beef; the biology of drug metabolism in the health-compromised animal; and antimicrobial resistance in dairy animals and their products.

Dr. Marty Matlock
Dr. Marty Matlock is a Professor in the Biological and Agricultural Engineering Department. He was elected to the Board of Agriculture and Natural Sciences of the National Academy of Science, Engineering and Medicine in 2022 and served as Senior Advisor to Secretary of Agriculture Tom Vilsack at USDA from 2021-2022. Prior to that Dr. Matlock was Executive Director of the University of Arkansas Resiliency Center. He received his Ph.D. in Biosystems Engineering from Oklahoma State University, is a registered professional engineer, a Board-Certified Environmental Engineer, and a Certified Ecosystem Designer. Dr. Matlock is the recipient of the 2018 CAST-Borlaug Agriculture Communications Award, the American Ecological Engineering Society 2022 Odom Award for Ecosystem Design, and more than 30 national and international design awards. Dr. Matlock has been elected Fellow of the American Association for the Advancement of Science, the American Ecological Engineering Society, and the American Society of Civil Engineering. He served as Chairman of the Cherokee Nation Environmental Protection Commission for 16 years and as sustainability science advisor for three environmental conservation organizations and more than a dozen food and agricultural product companies.

Dr. Jodi McGill
Dr. Jodi McGill an Associate Professor in the Department of Veterinary Microbiology and Preventive Medicine at Iowa State University. She holds the John G. Salsbury Chair in Veterinary Medicine and serves as the Interim Associate Dean for Research and Graduate Studies in the College of Veterinary Medicine at ISU. Jodi is an immunologist and her research is focused on the immune response to respiratory diseases in cattle and small ruminants.

Dr. Larry Tranel
Dr. Larry Tranel served as Associate Professor as Dairy Farm Management Agent with the University of Wisconsin Extension for 10 years and has served as Dairy Field Specialist with Iowa State University Extension and Outreach for the past 26 years. Larry specializes in financial analysis, dairy facilities, milking and grazing systems, heifers rearing, organic and grass-fed dairying, among other topics. Dr. Tranel also works with dairy farmer mental health. Larry was a former dairy goat producer as well.

Dr. Maria Wurzinger
Dr. Maria Wurzinger is at the Department of Animal Science, Iowa State University. She received her Master's in animal production and her PhD in animal breeding from BOKU-University in Austria. She has over 20 years of experience advancing smallholder livestock production across the Global South. Specializing in community-based breeding programs, she has helped transform this approach from a niche concept into an internationally recognized model, enhancing food security and livelihoods for farming families. She thrives in interdisciplinary teams and is dedicated to bridging the gap between social and natural sciences to help farmers enhance their livelihoods.
OPERATIONS TEAM

Dr. Nicole Scott
Dr. Nicole Scott is the research project manager for this project. She has experience and enthusiasm for interdisciplinary, multi-institutional teams and team science. Previous to this role, she worked as the project manager on funded awards from NSF and USDA NIFA. Her background includes experience in IRB and IACUC from her own research portfolio. She holds a B.S. in biology from Iowa State University, a M.Res in primatology from Roehampton University and a Ph.D. in cognitive science from University of Minnesota.

Matthew Hadley
Hadley is the Communications Specialist for SDGA. After graduating with a Bachelor of Arts degree in Graphic Design and a Mass Communications cluster at Morningside College in 2014, he built his portfolio by culminating a varied set of skills from over ten years of multimedia experience in the world of marketing, graphic design, studio art, and copywriting. Hadley uses his experience to synthesize the concepts from the SDGA team into a complete art direction including logo development, branding style guides, marketing materials, social media campaigns, and website designs.

Dr. Kajal Madeka
Dr. Kajal Madeka is the Learning Development Specialist for SDGA, responsible for the development and dissemination of educational materials for the different target audiences including Veterinarians, Dairy Goat Producers and Youth programs. In her over 10 years of designing learning experiences, she has held positions of Director of Curriculum Development at University of Arizona College of Veterinary Medicine; Program Coordinator at Center for Excellence in Learning and Teaching (CELT) at Iowa State University; Consultant for Des Moines University College of Health Sciences and Althea Augustine Technology Learning Center, Ohio. Her professional expertise ranges from online and hybrid course design, backward design, curriculum development for professional and higher education, conducting professional development workshops and faculty mentoring. Kajal also has a Ph.D. in Archaeology from India and her experiences in the field give her a unique cultural perspective that allows her to connect deeply with her learners.
RESEARCH STAFF

Dr. Emmanuel Kanchewa
Dr. Emmanuel Kanchewa is a seasoned social scientist with over 18 years of expertise in community and rural development, program planning, monitoring and evaluation. He currently serves as a Research Scientist specializing in human and social capital where he applies mixed methods research to address complex development challenges. Dr. Kanchewa earned his PhD in Agricultural Leadership, Education and Communication from the University of Georgia. His research explores how leader-follower relationships influence planning and implementation of group-based agricultural enterprises. He is particularly interested in how these dynamics affect the success of programs aimed at alleviating food insecurity and increasing farmer incomes. In addition to his evaluation expertise, Dr. Kanchewa has a strong background in policy analysis and community development programming. His work bridges academic research and practical application, contributing to more effective and sustainable development initiatives.

Uttama Deb
Uttama Deb is a PhD student in Environmental Dynamics at the University of Arkansas. Her current research focuses on the sustainability of livestock systems, and her broader research interests lie at the intersection of agriculture, environment, and development economics. She uses quantitative and qualitative approaches to explore the nexus between agriculture, livelihoods, and public policy. She holds a bachelor’s and master’s degree in economics and has worked extensively in Social Impact and Development Economics research roles across academic institutions, grassroot organizations and international nonprofits. She is also a recipient of the prestigious Doctoral Academy Fellowship at the University of Arkansas.

Niaz (Fatemeh) Taghvaei
Niaz (Fatemeh) Taghvaei is a PhD student in Biological and Agricultural Engineering at the University of Arkansas. She holds a bachelor’s degree in Electrical Engineering, where she developed a strong foundation in electronics, systems design, and sustainable technology. Her academic and professional journey has been shaped by a deep interest in reducing environmental pollution associated with electronics, promoting renewable energy solutions such as solar power, and applying engineering innovation to sustainability challenges. Her current research focuses on life cycle assessment (LCA) and environmental impact modeling in agricultural systems. She is particularly interested in quantifying greenhouse gas emissions, resource use, and pollution across supply chains to support more sustainable farming practices. Niaz integrates engineering principles with statistical and data analysis techniques to evaluate environmental trade-offs and guide decisions that reduce ecological footprints. Her broader interests include renewable energy integration, sustainable system design, and the use of data-driven approaches to support environmental stewardship.