Post Harvest Technology Team

Meet our experienced and knowledgeable Post Harvest Technologies team

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Chad Cox – Wax Technology Supervisor

Chad is the Supervisor of fruit coating manufacturing and helps deliver more than 300,000 gallons for more than 30 packing houses. Chad holds a Masters of Science degree in Plant Pathology and a Bachelors of Science in Biochemistry and Molecular Biophysics. He is trained in HACCP (Hazard Analysis and Critical Control Point). Chad has experience with multiple different auditing schemes, trace back programs, and internal auditing procedures. Collaborate on development of new fruit coatings and optimization of current formulations. He is proficient with laboratory tools and procedures for chemical and biological analysis.

 

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Dave Sorenson – Technical Manager

Dave holds a BA in Chemistry. He has a PCA and QAL license from the State of California. Dave has written more than a dozen papers published with Dr. Joe Smilanick on citrus and has co-authored part of a citrus textbook. Dave holds several patents on equipment and processing. He has more than 20 years’ experience in citrus processing. He formerly worked for PCI growing Cara Caras.

 

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Jose Torres – Technical Manager – Oranges

Jose has 22 years of industry experience in citrus including work for Sunkist and FGS. Jose is currently managing a team of experienced service technicians that are dedicated to chemical citrus applications, and mechanical maintenance. Jose is an expert in system design and installation of chemical and wax application equipment. He is responsible for designing our patented, industry-leading, highly effective wax application system. This self- maintained, remotely accessible system provides a uniform, efficient, and precise wax application unlike any other.

 

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Tarcisio Ruiz – Technical Manager – Lemon

Tarcisio has 14 years experience having worked for Pace International, Wonderful Citrus, and now FGS. He has worked to develop new waxes, sanitizers, and fungicide formulations. He has worked alongside several world renown doctors and experts. He has vast post-harvest experience on citrus, and stone fruit commodities. Strong operations professional skilled in Food & Beverage, Food Processing, Operations Management, Hazard Analysis and Critical Control Points (HACCP).

Tarcisio currently supervises postharvest chemical applications, oversees decay control, MRL issues, and researches trials for food safety and chemical applications improvements.

 

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Marissa McSperitt – Technical Manager – Oranges

Marissa holds a B.S. in Agricultural Business from Fresno State with a minor in Plant Science and she is PCA/QAL licensed. Marissa has over 10 years’ experience in the citrus industry. She has experience with post harvest in regards to citrus, stone fruit, tomatoes, peppers and pomegranates. She posses a strong knowledge about harvest and field operations, operations management and production and food safety consulting (pre/postharvest).

 

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Julie Doctor – Environmental Lead

Julie holds a Bachelors of Science degree in Food Science and Enology from Fresno State University. She has experience working in the wine industry as chemist and for the National Park Service as a drinking water and wastewater treatment operator. She worked for Sunkist Growers for 11 years in their Fruit Science Department and now has 10 years of experience working for FGS Post-Harvest Technologies.

Julie is HACCP trained and has vast experience with multiple auditing schemes, trace back programs, and internal auditing procedures. She has been responsible for research and implementation of CropFume, a treatment for the Australia citrus export protocol for controlling a quarantine pest.