Aaron Roller Email & Phone Number

Greater St. Louis

• Prepares and analyzes samples for indicator organisms, pathogens, probiotics, and other microbes.
• Accurately carrying out microbiological techniques, methodologies, and testing methods along with interpreting the results.
• Uses aseptic technique in all work conducted and follows all safety and environmental guidelines.
• Successfully communicates with group members.
• Documents quality control and analytical activities. Preforms various QC duties.

St Louis, Missouri, United States

• Plating samples in dilution, MPN set up, plate streaking of pathogens, and transfer of samples for next day instrumental testing.
• Instrumental testing on PCR-BAX, VIDAS, Bio-Rad.
• Reading real plate counts, Interpreting plates, and entering results into LIMS.
• Confirmation testing for presumptive positive pathogens, with limited speciation along with method control set up.
• Environmental swabbing and air testing, shelf life set up and testing

Fenton, MO

• Sampling of all the raw materials as per the appropriate cGMP SOPs
• Use instruments like pH meter, Balances, Karl Fischer, osmometer UV- vis and viscometer.
• Perform weekly water sampling and analytical testing.
• Log in samples as they are received, remove samples from the laboratory once testing is completed.

Creve Coeur, MO

• Tests samples in the Genetic Quality Assurance lab for Varietal Purity, Trait Purity and Adventitious Presence using SNP and ELISA
• Handles inspection, preparation, and stocking of raw materials
• Performs various laboratory tasks such as dropping, crushing, counting, grinding, and reagent preparation
• Conducts routine and preventative maintenance on laboratory equipment
• 17025 accredited laboratory

Arnold, MO

• Sanitized food preparation areas, cooking surfaces, and utensils
• Stocked and restocked workstations
• Prepared batter for chicken
• Maintained high standards of customer service during high-volume, fast-paced operations