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Our Director
Dr. Alexandra Calle is a food safety expert and microbiologist with over 25 years of experience helping the food industry implement science-based strategies to produce safer food. Her work bridges research, regulation, and industry applications, ensuring that scientific advancements in food microbiology translate into real-world solutions.

With a background in applied food microbiology, pathogen detection, and antimicrobial interventions, Dr. Calle has led research efforts to enhance food safety practices across global supply chains by conducting International Food Safety capacity building projects across Latin America and the Caribbean. She has extensive experience with FDA and USDA food safety regulations, contributing to risk assessment and regulatory compliance for food production facilities. Dr. Calle specializes in developing and validating intervention strategies to control foodborne pathogens in livestock and food processing environments. Her experience with the industry alongside her research makes her capable of communicating science effectively at different levels, from resarchers and government agents to food industry workers.

She holds a Ph.D. in Animal Science with an emphasis in Food Microbiology from Texas Tech University, a Master’s in Food Science from the University of Nebraska, and a Bachelor’s in Biology from Universidad del Valle in Colombia. In addition to her academic role, she collaborates with food industry partners, government agencies, and research institutions to advance food safety initiatives internationally.


Investigation

Investigation

Her research topics include:

✓ Validation of intervention strategies to control foodborne pathogens associated with meat-producing animals.
✓ Methods for detection of foodborne bacterial pathogens.
✓ Surveillance and baseline studies related to foodborne pathogens in the beef industry.
✓ Use of probiotics (direct fed microbials) in beef cattle to control shedding of bacterial pathogens.
✓ Antibiotic resistance associated with isolates obtained from meat-producing animals.
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Her scholarship is focused in applied food microbiology to improve public health.


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Her scholarship is focused in applied food microbiology to improve public health.

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Instruction
20_r1.jpg

Her scholarship is focused in applied food microbiology to improve public health.


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Her scholarship is focused in applied food microbiology to improve public health.



Service
Service
Her major interest is to develop collaborative efforts to improve public health internationally integrating the One Health concept.
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In fact, most of her research funded by federal agencies, has been conducted not only in North America but also in Central America, South America, and the Caribbean.
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Let´s Work Together
Let´s Work Together
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Our work goes beyond the laboratory through collaboration with food producers, regulatory agencies and veterinary professionals
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We ensure that our research findings translate into practical applications.


Contact Dr. Calle
Contact Dr. Calle
Dr. Calle welcomes inquiries from students, collaborators, industry professionals, and anyone interested in food safety research.

Whether you have a question about our ongoing projects, are seeking research collaboration, or simply want to learn more about our work, feel free to reach out.

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contact@globalsafefoods.com

(+1) 402 817 8650
7671 Evans Drive , Amarillo, Texas 79106 . United States of America

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