Marshfield Food Safety Staff Credentials

Roy P. Radcliff, Ph.D.
Dr. Roy P. Radcliff is currently the Chief Executive Officer for Marshfield Food Safety, LLC in Marshfield, Wisconsin.  He received a BS degree in Animal and Veterinary Science from West Virginia University in 1993, his MS degree in 1995 from Michigan State University and his Ph.D. in 2001 from Michigan State University.  He spent two and a half years at the University of Missouri where he developed a quantitative real-time PCR assay for growth hormone receptor mRNA.  He joined Marshfield Clinic Laboratories Food Safety Services in 2004 conducting research focused on pathogens and pathogen detection methods, diagnosis of Johne’s disease in cattle and diagnosis of zoonotic diseases. In 2004 he accepted the position of Laboratory Manager in Marshfield Clinic Laboratories, Food Safety Services. In 2006 he accepted the position of Director of Food Safety Services as well as Chief Science Officer at Marshfield Food Safety, LLC.  From 2011 to 2012 Dr. Radcliff was the Director of Applied Sciences at Marshfield Clinic and became the Chief Executive Officer of Marshfield Food Safety in 2012.

Carlos A. Castro, Ph.D.

Since August 2013, Dr. Castro is the Chief Operating Officer for Marshfield Food Safety. Mr. Castro is a Ph.D. Chemist with over 23 years of multi-disciplinary experience in the oil and gas, petroleum, mining, environmental, and food testing industries. He received his B.S. degree from the Catholic University in Lima, Peru in 1986; his M.S. degree from the University of New Mexico in 1989; his Ph.D. from the University of Oregon in 1994; and his M.B.A. in Finance from Our Lady of the Lake University in San Antonio, Texas in 2002. He spent four and a half years in Peru working as an analytical chemist. In 1993 he was hired to reorganize the Organic Chemistry area of an environmental testing lab in Houston, Texas. Three years later, and for a period of seven years, Dr. Castro spearheaded the nationwide expansion of this laboratory. In 2005 he returned to Houston as Managing Director of this full-service chain of environmental testing laboratories. Since early 2012, he switched his analytical chemistry and laboratory management experience to the food-safety testing sector. Dr. Castro’s immediate contribution to Marshfield Food Safety has been in the expansion of its testing menu, by the implementation of analytical testing methodologies related to nutritional labeling and chemical residues.

Joseph P. Ruggieri, MBA
Joseph is the Director of Business Development.  He completed bachelors degrees for Chemistry and Environmental Studies in 1994 at the University of Nevada.  In 2008 he completed an MBA from the Harriman School of Business at Stony Brook University.  He brings more than 20 years of laboratory experience. This experience is a mix of private industry and government facilities.  He has had a range of responsibilities for analytical chemistry starting in 1992 at a US Department of Energy laboratory, using gas chromatography. In 1993 he learned mass spectrometry at a clinical lab and was licensed for toxicology.  Then changed to environmental topics, beginning with high sample volume testing using GC/MS at contract labs.  Fascination with newer MS technologies and emerging contaminants guided Joe to work at Stony Brook University for the School of Marine and Atmospheric Sciences.  Time of Flight mass spectrometry was used and novel methods were developed for challenging analytes.  Students were trained to various analytical techniques and mentored for system operation and data collection.  Joe has provided consulting services and held positions to expand different businesses including food laboratories, environmental laboratories, and a renewable energy company.  Since 2011 his work has focused on food science, primarily food safety testing.

Debbie Chilson
Debbie Chilson is the Director of Quality for Marshfield Food Safety.  Ms. Chilson has a B.S. in Biology from Bloomsburg University and a M.S. from East Stroudsburg University.  She worked in a meat packing plant microbiology laboratory for eight years doing general microbiology and pathogen testing.  In 2002, she joined Marshfield Food Safety as Laboratory Supervisor.  In 2005, Debbie was promoted to Quality Manager and started the Management System for Marshfield Food Safety, which helped lead to laboratory accreditations.

Sally Binder

Sally is the Lab Operations Manager for six locations, including the microbiology laboratory at Marshfield Headquarters.  Based in the Marshfield, WI corporate office, Sally Binder has been with Marshfield Food Safety since 2001.  She supports a diverse group of clients and testing platforms.  Her experience includes lab development, method evaluation, process efficiencies, personnel management, training and administration support.   Sally worked in the environmental toxicology, chemistry and pharmacy fields prior to joining Marshfield Food Safety.  She holds a Bachelor of Science in Pharmacology & Toxicology from University of Wisconsin - Madison.

Corey Rieck
Corey is the Laboratory Operations Manager for the Dodge City, KS; Fort Morgan, CO; Friona, TX; High River, AB; Schuyler, NE, and Springdale, AR locations.  He received his bachelor's degree in wildlife and environmental biology from the University of Nebraska at Kearney in 1999.  He started his science career with Marshfield Food Safety as the first Laboratory Supervisor of the Schuyler, NE location in 2004 and promoted into his current position in 2009.  During his time with Marshfield Food Safety he has been instrumental in bringing online multiple new locations as well as maintaining and improving already established laboratories.  Corey's expertise is in food safety microbiology.

Larry C. Bowman
Larry Bowman is Chief Information Officer with Marshfield Food Safety, LLC. He received a BS in Risk Management and MS degree from Virginia Commonwealth University. In addition he has attended Executive Development at the University of North Carolina, Chapel Hill NC.  He has worked as a Business Unit Manager for Ivan Allen Company, a Division General Manager for Genuine Parts Company, Vice President of Software and Technology for CCS, Inc.  Mr Bowman has successfully guided the development and marketing of a number of Software and Technology products. Mr Bowman has been recognized for his work with developing International Markets by the Virginia Trade Commission.  He has lectured for the Small Business Administration, Virginia Tech and others on subjects such as Marketing, International Business, Personnel Administration and Entrepreneurial Technology.  He was a primary presenter at the International Congress on Business held in Monterrey Mexico.  Mr Bowman has consulted with numerous organizations including the Department of Defense, U. S. Navy and GE.  He has directed mergers, restructuring strategies, profit enhancement, and Marketing/Sales projects for numerous public and private enterprises.

Frances M. Moore, D.V.M.
Dr. Frances Moore is Director of Marshfield Labs, veterinary services.  She is a graduate from the University of Georgia College of Veterinary Medicine.  She was in small and large animal practice before completing a postdoctoral fellowship in comparative pathology at Harvard Medical School.  She was an assistant professor in pathology at Harvard Medical School and at Tufts University School of Veterinary Medicine, and was formerly the director of the clinical pathology laboratory at Angell Memorial Animal Hospital.  She is a diplomate of the American College of Veterinary Pathologists in both anatomic and clinical pathology.  She has achieved the HACCP Coordinator Certificate from North Carolina State University and is currently enrolled in the University of Wisconsin Global Health Certificate course.  She has been Director of Marshfield Labs, veterinary services since the inception of this service in 1991.  Her professional interests are in infectious and zoonotic diseases.  She has initiated an educational program for slaughterhouse workers for lesion recognition in hogs.  She participated with faculty of the University of Wisconsin Center for Global Health in multidisciplinary professional exchanges with the Universidad de Guadalajara (UDG) and has initiated programs between the UDG and the Marshfield Clinic.  Currently she is collaborating with the UDG in developing laboratory capacity for diagnosis of infectious disease problems in humans, animals and food products in Mexico.

Donna M. Hertzke, D.V.M., Ph.D.
Dr. Donna Hertzke is Assistant Director, Marshfield Labs, veterinary services.  She is a graduate of Colorado State University College of Veterinary Medicine.  She was in small animal and equine practice prior to completing postdoctoral training at Kansas State University College of Veterinary Medicine where she received her PhD degree.  She was a staff pathologist at Kansas State University prior to joining the staff at Marshfield Clinic. Dr. Hertzke is a diplomate of the American College of Veterinary Pathologists in anatomic pathology.

Food Testing Lab Accredited
to ISO/IEC 17025:2005

A2LA Accredited

Testing Certificate Numbers

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