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Radiological and Hazardous

Waste Professionals

Our Team Members

Our team at NSSI comprises experienced professionals with diverse expertise and extensive years of experience in the environmental and waste management sectors. Each member brings unique skills and knowledge, ensuring that we provide top-tier solutions and services to our clients. Whether it's hazardous waste management, tritium recovery, or on-site services for NORM/TENORM materials, our dedicated team is committed to delivering safe, efficient, and innovative solutions.

Gamaliel Torres

Gamaliel Torres

President / RSO, Board Member

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Shawn Gruss

Shawn Gruss

Benefits Coordinator, Board Member

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Victoria Gretzinger

Victoria Gretzinger

VP Business Development

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Michael Hsia

Michael Hsia

Financial Controller

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Emmanuel Sasu

Emmanuel Sasu

Transfer Storage Disposal Recycling Specialist

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Dr. Ismael Gonzalez

Dr. Ismael Gonzalez

Lead Waste Chemist

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Craig Konieczny

Craig Konieczny

Radiological Operations Manager

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Hafid Anane

Hafid Anane

Regional Business Development Manager (NORM)

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Brett Lopez

Brett Lopez

Regional Business Development Manager

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Chris Pieternella

Chris Pieternella

EH&S Specialist

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Alejandro Arma

Alejandro Arma

Operations Manager

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Luis Figueroa

Luis Figueroa

Facilities Manager

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Gladys Bonilla

Gladys Bonilla

Hazardous Waste Profiler

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Jose Lozano

Jose Lozano

Radiological Operations Supervisor

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Ivan Mateo

Ivan Mateo

Tritium R&D / Mixed Waste Specialist

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