Seek and Destroy: Responding to Listeria Positives

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About This Session

Listeria doesn't hide, it travels. When your Environmental Monitoring program flags a positive, what you do next either fixes the real problem or just delays it. In this FSMA Friday session, Steven Tsuyuki, Food Safety Senior Advisor of The Acheson Group, breaks down the Seek and Destroy framework: an investigation-first approach that traces exactly where Listeria came from and how it moved — before anyone picks up a mop. If your team keeps chasing positives without closing them out for good, this session is for you.
What You'll Learn
  • Why the Listeria Control Equation matters and how one weak link across traffic patterns, GMPs, sanitation, floors, or equipment design opens the door to your next EM positive.
  • What "Seek" actually looks like: your team runs a CSI-style investigation to trace where Listeria came from and how it moved before you touch a single piece of equipment.
  • How to destroy the right way: targeted investigative swabbing, rinsate sampling, and corrective actions that eliminate the risk instead of papering over it with an SOP.

Meet the Speakers

Steven Tsuyuki

Senior Advisor of Food Safety, The Acheson Group
Prior to joining TAG, Steven Tsuyuki spent his entire 40+ year career in the food industry for multinational companies that manufacture and sell meat products, pet food, and confectionary products. He has held senior roles in sanitation, food safety, quality assurance, operations and Six Sigma.  
Before joining TAG, Steven retired from Maple Leaf Foods in the role of Senior Director – Corporate Sanitation and the Environmental Monitoring Program (EMP). For the past 17 years, Steven led the development and execution of the EMP post 2008 Listeriosis event. Most recently, he led the company-wide deployment of a strategy to standardize sanitation practices to improve performance and drive effectiveness and efficiency outcomes across 20+ facilities, including hatcheries, harvest plants, and RTE processing plants. 
Steven connects with all levels and all functions within an organization. He is just as comfortable on the plant floor as he is in the boardroom. Since 2009, he has been a presenter at the Meat Institute Advanced Listeria Control workshop and an industry speaker and author. 

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