The Directors of CFSPH

Photo of James A. Roth

James A. Roth, DVM, PhD, DACVM

Director of CFSPH and IICAB
2156 College of Veterinary Medicine

View Curriculum Vitae

Dr. James Roth received his DVM in 1975 and worked as a practicing veterinarian for two years before returning to Iowa State University as a graduate student and adjunct instructor. He received an MS in 1979 and PhD in 1981. He is a Distinguished Professor in the College of Veterinary Medicine at ISU. He has served as the major or co-major professor for 44 MS and PhD students. Dr. Roth teaches immunology to the veterinary students, and has an active research program. Since 1980, he has authored or co-authored over 150 publications in refereed journals. Dr. Roth has contributed 33 chapters to monographs since 1984, and has edited 12 monographs and one textbook. He served as President of the American College of Veterinary Microbiologists from 2004 to 2008. Dr. Roth received the Distinguished Veterinary Immunologist Award from the American Association of Veterinary Immunologists in 1997. He has received five teaching awards and was named Clarence Hartley Couvalt Distinguished Professor in 1995. Dr. Roth received the American Veterinary Medical Association's (AVMA) 12th International Veterinary Congress Prize in 2001 and the AVMA’s Public Service Award in 2006. Dr. Roth serves on the National Science Advisory Board for Biosecurity (2005-2012).


Photo of Danelle Bickett-Weddle

Danelle Bickett-Weddle, DVM, MPH, PhD, DACVPM

Associate Director
2176 College of Veterinary Medicine

Dr. Bickett-Weddle received a BS degree in Animal Science from South Dakota State University in 1995 and her DVM from Iowa State University in 1999. She practiced as a small animal veterinarian in Sioux Falls, South Dakota before joining Land O' Lakes Farmland Feed as a dairy field nutritionist and technical services manager in 2000. In that position, she provided consultation to dairy producers in South Dakota, Nebraska, Minnesota, and Iowa until late 2002 when she returned to ISU to work for the CFSPH. She received her MPH from the University of Iowa in December 2003, Diplomate status in the American College of Veterinary Preventive Medicine in 2006, and a PhD in Veterinary Microbiology and Preventive Medicine in 2009. Since 2004, she has been the Associate Director for the Center for Food Security and Public Health. In that role, Dr. Bickett-Weddle manages development of materials for the USDA-APHIS National Veterinary Accreditation Program, co-leads the Secure Milk Supply Plan, and manages CFSPH's Infection Control and Biological Risk Management materials. She has teaching responsibilities in the College of Veterinary Medicine at ISU as well as the College of Public Health at the University of Iowa. She has been invited to give presentations throughout the U.S. and Mexico about disease prevention, agroterrorism, and biological risk management issues. Dr. Bickett-Weddle represents the Iowa Veterinary Medical Association (IVMA) as the Delegate to the American Veterinary Medical Association (AVMA). The IVMA recognized Dr. Bickett-Weddle as the 2012 Veterinarian of the Year.


Photo of Glenda Dvorak

Glenda Dvorak, DVM, MS, MPH, DACVPM

Assistant Director
2170 College of Veterinary Medicine

Dr. Dvorak graduated from the College of Veterinary Medicine at Iowa State University in 2001. She earned her BS degree in Zoology (Minor in Fisheries and Wildlife Biology) in 1995 from ISU. She also holds an MS degree in Fisheries Biology Aquaculture from ISU. After graduating from veterinary school, she practiced in a small animal clinic in Indianola, Iowa. Dr. Dvorak received her MPH degree from the University of Iowa, College of Public Health in May 2003 and is a Diplomate in the American College of Veterinary Preventive Medicine. She was employed as a veterinary specialist at the Center for Food Security and Public Health prior to being named Assistant Director. She manages the disease fact sheets, zoonotic disease resources, and "just in time" training resources for the CFSPH.


Photo of Heather Allen

Heather Allen, MPA, PhD

Program Manager

Dr. Heather Allen received her PhD in Public Policy, with a concentration in Health Policy, from The George Washington University in 2011. She also earned MPA and BA degrees, both from Cornell University. Before coming to ISU, she worked for a non-for-profit consulting firm, primarily leading support for the USDA Animal and Plant Health Inspection Service (APHIS). She also conducted independent research and assisted with public health survey and policy work. Previously, Dr. Allen was a research assistant at The George Washington University, where she authored and co-authored publications on program evaluation, emergency management, and public health policy. She currently supports CFSPH as the on-site program manager for the National Preparedness and Incident Coordination Center at APHIS in Riverdale, MD, and also manages Foreign Animal Disease Preparedness and Response Plan materials.